• DE503737C - Heat release : de en
  • US1770933A - Method of strengthening structural members under load : en
  • DK42645C - Hook for hanging fish to be dried. : da en
  • FR686270A - Improvements made to the processes for taking photographic views, and to the installations for carrying out said processes : en fr
  • DE502803C - Circuit for electromechanical transmission with two direct current machines acting as generator and motor : de en
  • DE503208C - Brake device for motor-driven rotating shafts : de en
  • GB332467A - An improved spring wheel : en
  • US1770935A - Eraser-cleaning machine : en
  • FR686459A - Garner : en fr
  • CA302361A - Sliding door : en fr
  • DE503668C - Looper thread control for chain stitch sewing machines : de en
  • DK42624C - Device for crimping wire of cellulose material or similar. : da en
  • FR686448A - Automotive headlight orientation device : en fr
  • GB332543A - Improvements in or relating to tile linoleum : en
  • FR686473A - Plastic film : en fr
  • FR686476A - Rear cylinder control for motorized road rollers : en fr
  • DE502648C - Track-breaking machines traveling next to each other on tracks, coupled by horizontal cross connections : de en
  • US1771085A - Seed-corn rack : en
  • DE503370C - Traveling furnace in which parts of the transport devices protrude into the furnace interior through slots in the furnace base : de en
  • DE503411C - Traveling grate with a grate surface divided into two or more tracks moving in opposite directions : de en
  • FR686247A - Potato planting machine : en fr
  • DE503717C - Process for the preparation of condensation products from ring-hydroxylated aromatic compounds : de en
  • DK42631C - Procedure and Apparatus for the Production of Smoke for the Production of Signs or Signals and Warnings in the Open Air, e.g. from an Airplane. : da en
  • DE503350C - Process for the electrical welding of a carbon-rich iron body with low-carbon iron : de en
  • DE503629C - Sand spinner for processing molding sand : de en
  • FR686353A - Rational and continuous lighting of the road with mechanical suppression of glare towards other users : en fr
  • DE503492C - Device for the wet treatment and dehumidification of rayon yarns : de en
  • FR686380A - Safety device for motor vehicles : en fr
  • DE502976C - Process for cutting sheets of a certain length from webs : de en
  • US1771232A - Air-cooling device : en
  • US1771375A - Oscillation generator : en
  • DE503693C - Device for even marking of workpieces that are mainly curved in one direction : de en
  • FR686480A - New anthraquinone series colorants : en fr
  • FR686401A - Process for the partial hydrolysis (deacetylation) of cellulose acetate : en fr
  • FR686227A - Gutters and gutters, not of metal, cast or molded, with flexible or rigid joints : en fr
  • DE503155C - Switches with sparks, especially railway switches : de en
  • DE503729C - Device on driving switches for electrically operated vehicles : de en
  • GB310430A - Improvements in and relating to combination records for automatic musical instruments and electrical sound reproducing apparatus : en
  • GB332639A - Process of making a concentrated fertilizer material : en
  • DE502316C - Process for the production of dextrose : de en
  • DE502678C - Leaf clamp for clamping devices for accounting purposes : de en
  • GB332438A - Improvements in or relating to night-latches : en
  • DE503759C - Self-grabber : de en
  • US1771373A - Lamp lock : en
  • DE502730C - Process for the removal of coloring or colored substances, printer's inks, printing inks or the like from waste paper or other fiber masses that have been converted into pulp : de en
  • US1771320A - Shock absorber : en
  • CA302362A - Weighing device : en fr
  • FR686085A - Process for the production of transparent artificial resin like glass by condensation of phenols with formaldehyde : en fr
  • FR686035A - Improvement in removable rims for automobile wheels : en fr
  • USRE17743E - George langtford : en
  • CA302293A - Garage elevator : en fr
  • DE503786C - Pocket apparatus with spring drive for cinematographic image recordings : de en
  • AT118608B - Precipitation bath for the production of fibers, tapes, films, etc. Like. Made of viscose. : de en
  • FR686313A - Device for indicating the sum of several quantities : en fr
  • DE503128C - Brochure removal device on brochure attachment machines : de en
  • AT118562B - Material with allotropic transformation points for thermostats. : de en
  • DE503413C - Method and device for feeding a thread to the needles of a knitting machine : de en
  • DE503499C - Ball valve for drainage lines : de en
  • FR686205A - Improvements to talking machines : en fr
  • FR686461A - Improvements to cables for long distances : en fr
  • GB332437A - Improvements in craft for travelling on or over water : en
  • FR685991A - Method and device for heat transmission : en fr
  • GB305656A - : en
  • DE503763C - Cylindrical grinder, especially for woodworking : de en
  • USD81623S - Design for a thermometer : en
  • FR686471A - Polycylindrical explosion engine with plunger : en fr
  • GB332483A - Improvements in or relating to stepwise advancing counters : en
  • GB332474A - Vacuum chuck : en
  • AT118560B - Electric weighing and dosing device. : de en
  • DE503732C - Arrangement for the protection of low-voltage lines against the influence of high-voltage lines : de en
  • DE503479C - Process for dedusting dust-containing gases : de en
  • DE503835C - The transformer of patent 502349, wherein at least one of the coils is composed of wire composed of a silver alloy containing copper : de en
  • FR686113A - Improvements in cinematography : en fr
  • FR686315A - Control for voltage regulating transformers : en fr
  • GB310539A - : en
  • FR686360A - Apparatus for mounting removable wheels of motor vehicles and others : en fr
  • FR686434A - Attachment device, in particular for cycling shoes : en fr
  • DE503081C - Piston valve for internal combustion engines : de en
  • DK42638C - Device for Internal Combustion Engines. : da en
  • GB308611A - Improvements in and relating to vacuum switches : en
  • GB315314A - Improved apparatus for regulating the peals of electrically operated church and like bells : en
  • FR686063A - Gillbox and bar intersectings for continuous stretching : en fr
  • GB332570A - Improvements in and relating to mechanical toys : en
  • USD81667S - Design for a lamp-post : en
  • FR686118A - Tricycle : en fr
  • FR686169A - Mireuse-sorter : en fr
  • GB312161A - Improvements in film-feeding devices for cinematographic apparatus : en
  • GB332593A - Machine for treating materials : en
  • DE503443C - Automatic parking device for tapping machines for the production of nuts and nipples : de en
  • FR686287A - Ball, with multiple numbers or figures, for games of chance : en fr
  • GB332552A - Improvements in or relating to the preparation of photographic diazotypes : en
  • GB332445A - Improvements in swimming suits : en
  • FR686089A - Device for the presentation of an illuminated electric advertisement by means of lamps which are fixed on the wires of a net or a network : en fr
  • GB332625A - Improved sprinkler head : en
  • DE503488C - Double drum drive for conveyor belt systems : de en
  • FR685976A - Tilting pontoon system : en fr
  • FR686202A - Installation for cooling condensers : en fr
  • FR686248A - Agglomerates for the manufacture of hollow bricks which do not require firing : en fr
  • GB332304A - Improvements in or relating to closures for bottles and the like : en
  • GB332431A - A folding box for eggs and other fragile articles : en
  • GB332563A - Improvements in or relating to the conforming of shoe uppers to lasts : en
  • AT118542B - Device for the mechanical adjustment of any links depending on measuring devices. : de en
  • AT118559B - Protective sleeve for Dewar's vessels. : de en
  • AT118596B - Process for the preparation of a vat dye. : de en
  • CA302376A - Sole for boots and shoes : en fr
  • US1771146A - Tie plate : en
  • USD81633S - Design for a bottle : en
  • DE503179C - Convertible shutter : de en
  • FR685951A - therapeutic electro-energizer : en fr
  • GB310486A - Improvements in gas-operated automatic small arms : en
  • DE503351C - Process for the production of durable coal suspensions : de en
  • USD81630S - Ture co : en
  • US1771076A - Orificial therapeutic device : en
  • US1771083A - Aircraft : en
  • CA302290A - Radio signalling means : en fr
  • GB332582A - Improvements in or relating to means for protecting the head against injury : en
  • GB332432A - Improvements in concrete mixing machines : en
  • DE503339C - Feeding plate for chocolate packaging machines : de en
  • DE503743C - Device for achieving an uneven speed drop in an induction machine by means of a cascade-connected commutator machine : de en
  • GB332518A - Improvements in life boats : en
  • US1771039A - Extensible frame : en
  • US1770909A - Water-supply regulator : en
  • DE503734C - Device for the operation of resonance apparatuses that respond to superimposed beats : de en
  • AT118581B - Device for cleaning windows and flat surfaces. : de en
  • AT118668B - Wet felt for paper and cardboard machines. : de en
  • AT118518B - Device for using a musical instrument as a loudspeaker. : de en
  • CA302196A - Piston : en fr
  • CA302303A - Process and apparatus for the production of artificial threads, filaments, etc. : en fr
  • FR685960A - Manufacturing process of a nitrated fertilizer : en fr
  • AT118654B - Device for simultaneous demossing and fertilizing or sowing of meadows. : de en
  • CA302342A - Transmission gear : en fr
  • CA302245A - Process of preserving corn on the cobs : en fr
  • DE503378C - Method for clearing a telegraphic message received by remote transmission or a remote actuation caused by electrical impulses from recorded disturbance signals or from incorrect electrical impulses : de en
  • GB317300A - : en
  • US1770978A - Mining prop : en
  • FR686178A - Electric heating and actuation stamping punch for fire prints : en fr
  • DE503431C - Treatment of fine-grained materials : de en
  • DE503638C - Camp bed : de en
  • USD81631S - Dhyteo cyganczuk : en
  • DE503588C - Zipper : de en
  • GB332496A - Improvements in and relating to the manufacture of buttons by moulding : en
  • DE503788C - Monitoring device for the front headlights of vehicles, especially motor vehicles : de en
  • CA302369A - Metallurgical process and apparatus : en fr
  • DE503366C - Centrifugal disc for gas washer : de en
  • USD81657S - Alice de w : en
  • US1770948A - Variable-diameter pulley : en
  • US1771003A - Form-fitting-boot construction : en
  • GB332897A - Improvements in and relating to the treatment of road making materials : en
  • US1770979A - Locking device for conveyer pans : en
  • US1771204A - Brake band : en
  • USD81668S - Design for a lunch kit oe a similar article : en
  • AT118634B - Process for improving the hydraulic properties of Portland cement. : de en
  • DE503302C - Float valve : de en
  • DE503042C - All-round radiating membrane : de en
  • FR686121A - Method and apparatus for separating particles deposited in a liquid : en fr
  • FR686262A - Method and apparatus for heat treatment of materials in rotary kilns : en fr
  • FR685982A - Method and apparatus for treating raw cement paste before it is fired in the rotary kiln : en fr
  • FR686308A - Arrangement of the fuel tank on motorcycles : en fr
  • US1771347A - Treated raw-cotton fiber and lubricant and conditioner therefor : en
  • CA302347A - Fixed focus headlamp : en fr
  • US1770896A - Wiper and laminated structure developed in its manufacture : en
  • US1770920A - Telescopically-collapsible box or can : en
  • USD81614S - oe oneida : en
  • US1771120A - Flexible electric conductor : en
  • DE503226C - Compressed air delivery device, especially for molding sand with a turntable only partially covered by the material to be conveyed : de en
  • DE503353C - Process for the production of chromium metal deposits by electrolytic means : de en
  • DE503494C - Alignment for files with staggered alignment : de en
  • AU2445930A - Improvements in process forthe production of thymol and menthone : en
  • DE503466C - Rubbish bin with a lid that can be opened using a footstep : de en
  • DE503447C - Device for demonstrating samples : de en
  • DE503705C - Combustion chamber for dust firing with a design of the surrounding walls that favors heat radiation towards the inside : de en
  • FR685994A - Finishing and gluing materials : en fr
  • US1771094A - Socket receptacle for radiotubes : en
  • US1771170A - Device for the remote transmission of control impulses : en
  • FR686019A - Process for saponification of acetic esters of cellulose : en fr
  • FR686081A - Lock for motor vehicles and the like : en fr
  • GB332558A - Improvements in a massage applicator : en
  • DE503224C - Vertical furnace : de en
  • USD81652S - Island : en
  • IE11355L - Drying ink impressions in web presses : en
  • DE503771C - Ring valve : de en
  • AT118511B - Boiler feed device. : de en
  • AT118642B - Process for the production of a master copy for reproduction purposes. : de en
  • AU2321129A - Improvements in and connected with cookers of animal refuse : en
  • CA302371A - Hydrocarbon oil : en fr
  • US1770972A - Paper-bag bottomer : en
  • CA302193A - Heat exchanger : en fr
  • US1771356A - Charge forming device for internal-combustion engines : en
  • FR686458A - Hot water heater : en fr
  • FR686467A - Box with removable lid : en fr
  • FR686117A - Indicator device : en fr
  • USD81643S - Rasmus r : en
  • DE503185C - Time switch : de en
  • DE503267C - Device on fur sewing machines for brushing hair with suction air : de en
  • DE503355C - Method and device for heating tunnel ovens : de en
  • AT118526B - Set of rules for asynchronous machines. : de en
  • DE503634C - Barber and operating chair : de en
  • AT118523B - Signaling arrangements. : de en
  • AT118577B - Drawer lock. : de en
  • DE503418C - Circular knitting machine for knitting clad goods : de en
  • FR686415A - Process for the preparation of vat dyes derived from dibenzanthrone and isodibenzanthrone : en fr
  • GB314400A - Improvements in or relating to the manufacture of saline flux coating compositions for use in soldering or welding : en
  • US1770953A - Switch and operating mechanism therefor : en
  • DE503451C - Method and device for bleaching fibrous materials : de en
  • FR686082A - Latch for car doors : en fr
  • GB332310A - A deflector for ultra violet rays : en
  • GB332319A - Manufacture of azo-dyestuffs : en
  • CA302331A - Windshield wiper : en fr
  • AU2163029A - Separable snap fasteners : en
  • CA302334A - Self lubricating fan : en fr
  • DE503286C - Plate inserts for milk extractors : de en
  • DE503695C - Method for tightening the rib part of raw tobacco leaves : de en
  • DE503296C - Rotary valve : de en
  • DE503594C - Device for the crystallization of solid substances from solutions set in a rotating motion : de en
  • AT118532B - Circuit arrangement for telephone systems with dialer operation and speech current amplifiers. : de en
  • AT118618B - Process for the production of plastics. : de en
  • DE503240C - Device for measuring flowing amounts of liquid : de en
  • DE503519C - Cable reel with a guide groove on the inside of a disc for leading out the inner cable end : de en
  • AT118674B - Saddle or pillion seat for bicycles, motorcycles or similar vehicles. : de en
  • US1771045A - Brake mechanism : en
  • US1771380A - Compound door : en
  • AT118553B - Electromagnetic relay. : de en
  • US1771092A - Snipping attachment for folding machines : en
  • CA302373A - Hydrocarbon oil : en fr
  • DE502880C - Diffusion process : de en
  • FR686304A - Plug-in reactance coil with magnetic core provided with a certain number of air gaps : en fr
  • DE503335C - Waste flush valve : de en
  • CA302215A - Oven for coal and wood stoves : en fr
  • DE503057C - Roasting and cooking device with a heated roasting tube and with drainage of the frying fumes : de en
  • FR686445A - Process for establishing connections between various parts of complex electrical apparatus and product obtained by this process : en fr
  • US1771101A - Shirt : en
  • US1771246A - Internal-combustion engine : en
  • US1771178A - Bathing cap : en
  • AT118690B - Device for the visual representation of the track position. : de en
  • CA302244A - Confection depositing machine : en fr
  • GB332381A - Improvements in or relating to the manufacture of compound yarns or threads : en
  • AU2439529A - Improvements inthe finishing of leather, leather cloth rubber, rubber cloth, andother flexible materials : en
  • DE503521C - Device for electrical switchgear : de en
  • DK42639C - Mortar mixer. : da en
  • FR686286A - Method of rendering a system of bodies rubbing against each other resistant to wear : en fr
  • FR686429A - Toothbrush : en fr
  • CA302302A - Production of metal films : en fr
  • CA302341A - Automobile door locking system : en fr
  • US1771250A - Oil saver : en
  • US1771298A - Checkerbrick and checkerwork construction : en
  • GB308372A - Process for reproducing the grain of wood : en
  • GB332515A - Improvements in carburettors for internal combustion engines : en
  • DE503375C - Catching and pushing device for rail cars operated by pressure cylinder : de en
  • DE503539C - Self-adjusting bearing : de en
  • DE503660C - Solder seam for overlapping sheet metal strips, especially for tin cans : de en
  • DE503147C - Process for the production of a fertilizer from faeces and garbage : de en
  • DE502902C - vacuum cleaner : de en
  • DE503625C - Process for the production of a silicate cement for filling teeth : de en
  • GB332596A - Improvements in, or relating to, gland sealing devices : en
  • DE503712C - Clothing : de en
  • DK42641C - Water heating boiler. : da en
  • GB308227A - Improvements in or relating to electro-magnetic relays : en
  • US1771096A - Process of resolving emulsions : en
  • CA302268A - Process of separating gases : en fr
  • CA302378A - Electric phonograph reproducer : en fr
  • US1770903A - Recording apparatus : en
  • DE503642C - Scaffolding holder : de en
  • AT118679B - Two-part suspension cableway. : de en
  • US1771131A - Wire fence : en
  • CA302370A - Method and apparatus for forming drainage cavities in oil-bearing strata : en fr
  • CA302374A - Debit and credit tabulator : en fr
  • US1771000A - Heat unit and cabinet : en
  • US1771086A - Airplane landing light : en
  • DE502263C - Process for the production of resistant paints : de en
  • DE503799C - Tab, which is inserted through slots on the edge of the card and secured in its position by a stop : de en
  • FR686057A - Improvements to endless conveyors and similar devices : en fr
  • FR686414A - Electric discharge tube : en fr
  • US1771012A - Sealing cap : en
  • US1770968A - Hair-waving apparatus : en
  • GB319697A - Improvements in autographic recording apparatus : en
  • US1770908A - Insole and method of manufacturing same : en
  • US1771296A - Appliance for peeling oranges and like fruits : en
  • DE502813C - Polyphase rectifier : de en
  • FR686424A - Improvements to fluid pressure control and adjustment devices : en fr
  • GB332513A - : en
  • US1771245A - Automatic tray press : en
  • CA302317A - Purification of alkali metal hydroxide liquors : en fr
  • USD81618S - blunt : en
  • DE503474C - Laundry sorting device : de en
  • US1771038A - Fuel supplying and injecting pump for internal-combustion engines of the fuel-injection type : en
  • US1771340A - Automatic weigher and drill-string pressure-recording device : en
  • US1770965A - Saxophone mouthpiece : en
  • AT118514B - Fastening for friction linings on metal supports with the help of rivets or the like. : de en
  • GB332337A - An improved cabinet or container for gramophone disc records : en
  • AT118599B - Paints, films, plastics, etc. like : de en
  • DE503265C - Inertia accumulator : de en
  • DE503750C - Device for separating the dust entrained by the exhausting generator gas : de en
  • FR686385A - Improvements in mowers : en fr
  • US1770928A - Furnace wall and baffle : en
  • US1770988A - Valve for oil-distributing systems : en
  • DE502848C - Tool holder arm for precision, filing and sawing machines : de en
  • FR686009A - Rotary stencil duplicator, portable : en fr
  • FR686466A - Protection device for power lines : en fr
  • DE502887C - Tube voltmeter : de en
  • DE502944C - mattress : de en
  • GB311228A - Improvements in or relating to sound reproducing devices : en
  • DE503191C - Subtractive copying process of three-color photography : de en
  • US1771024A - Heat diverter : en
  • US1771370A - Mechanical element : en
  • US1771188A - Valve-operating mechanism : en
  • DE503545C - Poppet valve : de en
  • FR686037A - Improvements to remote control systems : en fr
  • FR686258A - Improvements to the devils : en fr
  • FR686391A - Method for the establishment of demountable constructions : en fr
  • FR686406A - Device for discharging switching contacts, especially high voltage ones : en fr
  • GB306845A - Improvements in and relating to flowboxes for paper, board and pulp making machines : en
  • DE503557C - Method for grinding the flat edge surfaces of nuts : de en
  • DK42619C - Holds for an annular broom for vacuum cleaners. : da en
  • FR686454A - Coupling device for high frequency amplifiers : en fr
  • DE502530C - Process for the production of brightly patterned jacquard fabrics with hairstyles formed by push studs : de en
  • DE503106C - Clock with jumping hourly drum and slowly running minute drum : de en
  • FR685986A - Process for preparing zinc sulphide coloring matter : en fr
  • FR686030A - Apparatus for using the force of the wind : en fr
  • FR686225A - non-removable milling nut and milling washer : en fr
  • GB332560A - Process for the manufacture of new dyestuffs of the triphenyl methane series : en
  • GB332501A - Improvements in mechanical gearing for conveying rotary motion : en
  • GB332588A - Improvements in or relating to knitted fabrics and mechanism for producing same : en
  • FR686135A - Pencil composed of a lead surrounded by a sheet of wood : en fr
  • GB315395A - Improvements in tachometer : en
  • GB332372A - Improvements in or relating to towels : en
  • DE503445C - Universal joint for embroidery sewing machines or the like. : de en
  • DK42643C - Trench excavator. : da en
  • FR686013A - Chain steering system for motor scooters : en fr
  • US1771231A - Tray attachment for chairs or couches provided with arms : en
  • US1771206A - Trailer : en
  • US1770901A - Siefveb : en
  • USRE17742E - louis : en
  • DE503129C - Container for evaporation u. like : de en
  • DE503470C - Feeding device : de en
  • GB317825A - Mechanical beetroot digger : en
  • US1771155A - Joint for pin stems : en
  • AT118647B - Tool for inserting the swell pipe into footballs. : de en
  • DE503036C - In the masonry or concrete embedded, consisting of an upper and a lower part of the rail chair for work pit tracks or the like. : de en
  • DE503793C - Writing instrument : de en
  • FR686006A - Acoustic capsule for talking machines and loudspeakers : en fr
  • DE503046C - Display device for current reversal : de en
  • DE503559C - Puller for double-edged safety razor blades : de en
  • US1771149A - Apparatus for controlling the movement of vehicles on railroads : en
  • DE502497C - Tilting device for trucks with a reversing gear : de en
  • DE502712C - Device for fastening studs in horseshoes : de en
  • GB332315A - Improvements relating to steering or control devices for ships and other water craft : en
  • US1771218A - Apparatus for measuring granulated or powdered materials : en
  • US1771324A - Telephone-instrument signaling : en
  • US1771239A - Method and machine for producing tapered gears : en
  • US1771274A - Resynchronizer for disk talking machines : en
  • US1771057A - Brake system for automobiles : en
  • US1771199A - Combined refrigerator and dispensing device : en
  • USD81642S - Louis harris : en
  • US1771262A - Bust support : en
  • CA8846S - Golf ball : en
  • DE503837C - Blowpipe device for locomotives : de en
  • FR686440A - Process for manufacturing white pigments based on titanium oxide : en fr
  • FR686144A - Flame retardant solution for articles made of fibrous materials : en fr
  • DE503178C - Device for regulating the pressure conditions in low-pressure steam heating systems : de en
  • DE503380C - Engaging device for receivers for picture telegraphy with rotating picture drum : de en
  • DE503769C - Sealing pipe connection : de en
  • FR686149A - Center pinion regulator mechanism : en fr
  • US1771288A - Stalk cutter : en
  • AT118506B - Method and device for quality control of internal combustion engines operating with gasification, in particular alcohol engines. : de en
  • CA302248A - Book rest : en fr
  • CA302305A - Spray-head : en fr
  • DE503112C - Manufacture of anhydrous aluminum fluoride : de en
  • GB332421A - Improvements in electric switches : en
  • GB332523A - Cooling of internal-combustion engines : en
  • CA302206A - Piano : en fr
  • US1771371A - Heat-transferring system : en
  • USRE17741E - Earth boring drill : en
  • AU2218329A - Hammer actions for stringed musical insturments : en
  • FR685969A - Improvements in methods and devices for disinfecting or sterilizing the seats of cabinets or the like : en fr
  • FR686496A - Transmission for cars with two driven axles and distribution mechanism : en fr
  • DK42636C - Procedure and Apparatus for Inducing Physical or Chemical or Both Physical and Chemical Changes. : da en
  • DE503259C - crankshaft : de en
  • DE503659C - Gear for generating a uniform, straight back and forth movement : de en
  • FR686190A - Hot-weld welded pipe manufacturing process : en fr
  • FR686452A - Improvements to cameras : en fr
  • DE502882C - Machine for wet treatment of fabrics with fabric return (jigger) : de en
  • FR686141A - Prepayment apparatus for indicating the stop of a rotating member at a predetermined position : en fr
  • GB332317A - Improvements relating to electric switches : en
  • US1771187A - Valve casing and the like and method of making the same : en
  • CA8848S - Clamping bar for a loose leaf binder : en
  • FR686134A - Animated subject moving under the action of the wind : en fr
  • GB332433A - Piston for gas operated automatic firearms : en
  • GB332547A - Improvements in and relating to centrifugal governors : en
  • DE503395C - Open metal halide electric lamp : de en
  • DE503432C - Refining of zinc ores : de en
  • FR686310A - Provision for automatic conjunction or disjunction of degrees of compensation devices : en fr
  • DE503183C - Radio receiver : de en
  • AT118625B - Process for the production of technically valuable products from vinyl acetate. : de en
  • DE503530C - Method and device for producing hair clips : de en
  • DE503836C - Shunt resistor for electric light bulbs to be connected in series and other consumer devices : de en
  • FR686340A - Vibrating blade rectifier and liquid contact : en fr
  • US1771107A - Ventilated skylight construction : en
  • US1771109A - Saxophone mouthpiece and process of making the same : en
  • US1771104A - Combined base and back structure for loose-leaf binders and method of forming the same : en
  • US1771301A - Force-feed-lubrication mechanism : en
  • AT118683B - Jacks, in particular for motor vehicles. : de en
  • CA302266A - Locomotive arch brick : en fr
  • DE503847C - Projection screen, especially for projecting images in transmitted light : de en
  • DE503798C - Letter folder with side gripping openings : de en
  • CA302239A - Irrigator : en fr
  • DE503435C - Tipping plow with split root : de en
  • DE503526C - Glow discharge relay tubes : de en
  • US1770904A - Fish bait or lure : en
  • US1771377A - Air-lift pump : en
  • AU2420129A - An artificial substance for purposes of building' and construction : en
  • GB332326A - Improvements in or relating to combination tops for gas ranges and other cooking apparatus : en
  • US1771316A - Thermostat : en
  • CA302289A - Acoustic instrument : en fr
  • CA302328A - Hose coil for water-cooled tubes : en fr
  • AT118641B - Process for the production of asphalt and asphalt-like products. : de en
  • AU2159529A - Improvements relating to electric switch-mechanism, and tothe mounting of such mechanism inboxes, case andthe like : en
  • DE502245C - Process for changing the electrical properties of telephone cables : de en
  • US1770944A - Refrigerating receptacle : en
  • US1770986A - Aspirator-ventilator apparatus : en
  • US1771182A - Plugging tool : en
  • AT118594B - Process for increasing the ductility and elasticity of artificial threads. : de en
  • DE503706C - Device for examining body tubes and body cavities with a light source to be introduced into the interior of the body : de en
  • DE503756C - Process for the production of glass vessels with necks : de en
  • FR686348A - Improvements to barrels hoppers : en fr
  • USD81654S - Corporated : en
  • US1771144A - Pljr treating machine : en
  • US1771181A - Valve for rock drills : en
  • FR686129A - Improvements to tables : en fr
  • DE503495C - Attachment of a spray wire for electrical gas cleaning systems : de en
  • FR686336A - Zinc electroplating process : en fr
  • USD81647S - Design for an automobile tire : en
  • US1771018A - Sole-locating machine : en
  • CA302269A - Sulphur dioxide process : en fr
  • FR686039A - Method and device for manufacturing internal combustion engines composed of several parts welded together : en fr
  • CA302262A - Electrical sectional drive for paper machines : en fr
  • CA302234A - Circuit breaker : en fr
  • FR685955A - Device for measuring current and voltage in high voltage networks : en fr
  • FR686275A - Device for independent and variable control, even in flight, of aircraft ailerons : en fr
  • GB332316A - The manufacture of new compounds of the pyrazolanthrone series and of vat dyestuffs derived therefrom : en
  • GB332412A - : en
  • DE503363C - Process for printing on velvet fabrics : de en
  • US1771062A - Radiator support : en
  • DE503108C - Process and device for the production of starch : de en
  • US1770980A - Steam generator for motor-vehicle heaters : en
  • AT118688B - Switching device for train control. : de en
  • CA302394A - Horn : en fr
  • AU2298129A - Sectional electrostatic sound producer : en
  • CA302338A - Steering wheel : en fr
  • CA302343A - Crankless engine : en fr
  • US1770943A - Fountain appliance : en
  • CA302191A - Dam : en fr
  • AT118662B - Hanging or standing frame for adhesive flycatchers. : de en
  • DE503316C - Device for an approximately parallel guidance of the wheel axle opposite the vehicle frame, especially for motor vehicles : de en
  • AT118623B - Process for the production of high-alumina cement and gases containing phosphorus. : de en
  • US1771173A - Filter-casing construction : en
  • US1771042A - Scale trap : en
  • US1771354A - Wall-facing tile : en
  • GB311190A - Improvements in or relating to sheet conveyor arrangements for printing and other paper handling machines : en
  • GB319281A - Improvements in electrical protective systems : en
  • AT118664B - Coloring toys and teaching aids. : de en
  • AT118628B - Process for the preservation of cereals and cereal products of all kinds. : de en
  • AU2121529A - A machine for making pies : en
  • DK42625C - Radiator with Hot water circulation. : da en
  • CA302393A - Method of manufacturing steel : en fr
  • DE503269C - Knot catcher : de en
  • AT118689B - Electrically remote controlled device. : de en
  • CA302216A - Apparatus for impregnating, coating or staining bundles of shingles : en fr
  • AT118677B - Leaf springs designed especially for vehicles. : de en
  • DE502767C - Filling bodies for absorption spaces, reaction spaces, etc. like : de en
  • DE503810C - System for the conveyance of backfill mountains with dump truck and loading bag : de en
  • GB315361A - Improvements in or relating to adjustable throw cranks : en
  • GB332584A - Improvements in the manufacture and production of metal carbamates : en
  • US1770952A - Clutch : en
  • GB332296A - Improvements in or relating to coding or decoding machines : en
  • FR686050A - Improvements to steam heating systems using vacuum : en fr
  • FR686123A - Method and apparatus for bringing to low thicknesses. by hot rolling, strips and sheets of metal : en fr
  • US1771191A - Device for securing railway rails to their sleepers : en
  • US1771070A - Pump : en
  • US1771088A - Mounting arrangement : en
  • DE503633C - Swiveling and extendable wall coat rack in the manner of Nuremberg scissors : de en
  • FR686393A - Chipboard making machine : en fr
  • AT118633B - Method and device for the irradiation of substances. : de en
  • DE503569C - Process for the treatment of sugar juices or sugar solutions with sulfur dioxide : de en
  • FR685988A - Sheathed wire transformer : en fr
  • CA302257A - Variable speed-gear mechanism : en fr
  • US1770949A - Art of protecting high-tension circuits : en
  • AT118540B - Asynchronous motor. : de en
  • AT118597B - Process for preparing fine zinc-containing material for dead roasting. : de en
  • US1771302A - Brick : en
  • AT118673B - Rail bridge for bicycle saddles. : de en
  • DE503204C - Process for decolorizing heavy acetone and methylene oils : de en
  • FR686395A - Improvements made to installations used to deliver different liquids in determined quantities : en fr
  • FR686465A - Automatic money changer which optionally can be a ticket or goods dispenser : en fr
  • CA302235A - Knitted fabric : en fr
  • FR686179A - Synchronous motor for controlling pendulums and the like : en fr
  • FR686389A - Device for fixing tiles, tiles, bricks, paving stones and the like on mortar or various materials : en fr
  • FR686430A - Distance relay protection devices : en fr
  • US1771180A - Sheet-glass leer : en
  • US1771325A - Adjustable handle : en
  • CA302319A - Selective signalling system : en fr
  • CA302299A - Synthetic resin composition : en fr
  • CA302318A - Manufacture of artificial rubber masses : en fr
  • AU2111829A - Improvements in or relating to machines for inserting fastenings : en
  • DE503614C - Electric induction furnace : de en
  • DK42629C - Shock-free and phase-correct Coupling between rotating parts. : da en
  • US1771031A - Combination knife and scissors : en
  • FR686388A - Device applicable to pyrophoric lighters, to obtain safe ignition : en fr
  • CA302270A - Apparatus for operating on pulp streams : en fr
  • US1771228A - Power-transmission apparatus : en
  • USD81655S - Design for a box : en
  • AT118533B - Circuit arrangement for telephone systems with dialer operation and speech current amplifiers. : de en
  • DE502841C - Device for harvesting lilacberries : de en
  • DE503218C - Grate for room stoves and stoves : de en
  • DE503564C - Articulated connection between doll head and doll body : de en
  • GB312638A - Improvements relating to automatic synchronizing apparatus for alternating current circuits : en
  • AU2412829A - Improvements in or relating to toned or screened plates for single or multi-colour printing : en
  • GB332556A - Improvements relating to gas cylinders and like hollow metal containers : en
  • FR686070A - Improvements in electric vehicle braking and control : en fr
  • FR686419A - Mechanical sulphate and hydrochloric acid furnaces : en fr
  • GB332508A - Improvements in weft feeler mechanism for looms for weaving : en
  • IE12413L - Artificial silk : en
  • FR686318A - Convertible body : en fr
  • AT118624B - Process for the production of mineral oil distillates under reduced pressure. : de en
  • AT118629B - Process for the production of combined fittings from condensation products. : de en
  • AU2475230B - Glue composition and process of making it : en
  • DE502769C - Reverse current relay : de en
  • DE503414C - Circular knitting machine for the production of split knitted hosiery : de en
  • CA302363A - Flow indicator : en fr
  • DE503322C - Device for placing the cartridge extractor on the chamber of military rifles and for removing it again : de en
  • US1770991A - Manufacture of silvered glass : en
  • DE503333C - Double-walled protective housing for centrifuges : de en
  • US1771259A - Paper-corrugating machine : en
  • US1771028A - Method of corrugating metal boiler sheets : en
  • US1771321A - Emulsifier, mixer, and the like : en
  • US1771337A - Compact-holding ring for vanity cases : en
  • DE503484C - Mercury switch : de en
  • AT118636B - Method of manufacturing a road construction material. : de en
  • CA302238A - Draw punch : en fr
  • DE503087C - Packing ring : de en
  • DE503817C - Inclined tube boiler : de en
  • AT118536B - Quick switch for electric vehicles. : de en
  • CA302255A - Transparent or opaque toilet and medicated soap : en fr
  • DE502862C - Holding circuit for electrical telecommunication systems with semiconductor relays : de en
  • DE503283C - Inclination scales with two non-positively coupled inclination pendulums with equal torque : de en
  • AT118672B - Device for driving and controlling a rudder-like propulsion blade. : de en
  • CA302350A - Roofing element : en fr
  • US1771252A - Electric power-generating system : en
  • AU2508530A - Improvements in and relating in sporting costumes such as bathing suits and underwear : en
  • CA302353A - Electrodynamic magnet system for microphones, loud-speakers, etc. : en fr
  • FR686285A - Improvements in the manufacture of articles of rubber or the like : en fr
  • GB308657A - Improvements relating to cellulose derivative compositions : en
  • AT118648B - Device for lifting and changing paper rolls in printing machines, in particular rotary printing machines. : de en
  • CA302311A - Apparatus for pulverizing and treating materials : en fr
  • US1771214A - Electric switch : en
  • AT118539B - Electric locomotive with auxiliary battery and resistance braking. : de en
  • FR36556E - Machine for dyeing, impregnating, etc., fabrics : en fr
  • FR686264A - Improvements to internal combustion engine valves : en fr
  • FR686423A - Improvements to resonance-free suspension systems, especially for thermionic devices : en fr
  • FR686376A - Improvements to adjustable headlamps for motor vehicles : en fr
  • CA302287A - Nitroglucoside explosive : en fr
  • FR686281A - Improvements to electric heaters and resistance forming devices therefor : en fr
  • FR686072A - Improvements to hair dryers : en fr
  • FR686216A - Improvements to blue flame petroleum burners : en fr
  • FR686229A - Decoration process for ceramic and enamelled metal objects : en fr
  • GB332576A - Improvements in or relating to sectional shutters suitable for use with windows, doorways and the like : en
  • US1770964A - Method of making die blocks for forging turbine blades : en
  • DE503628C - Liquid evaporator : de en
  • US1771297A - Transformer : en
  • FR686076A - Improvements made to warping headrests : en fr
  • FR686195A - Hydraulic motor : en fr
  • FR686364A - Signaling device applicable more particularly to motor vehicles : en fr
  • GB332469A - Improvements in and relating to electrical instruments : en
  • FR686298A - Windscreen wiper blade and its support : en fr
  • GB332898A - Method of producing kinematograph films for synchronous working with sound films : en
  • GB311189A - Improvements in or relating to sheet delivery arrangements : en
  • GB332473A - Improvements in perfume sprayers : en
  • GB332522A - Improvements in or relating to the conforming of shoe uppers to lasts : en
  • FR686201A - Support for recorder, pick up, or sound reproducer in phonographs : en fr
  • FR686215A - Improvements to coulters for row planters and to devices used to cover seed : en fr
  • GB333166A - Improvements in the manufacture and production of artificial masses : en
  • CA302301A - Feeding mechanism for metal treating machines : en fr
  • DE503199C - Production of colloidal sulfur : de en
  • DE503082C - Cooled fuel injector for internal combustion engines : de en
  • FR686381A - Improvements to the finishing of leather, fabric-leather, rubber, rubber fabric and other flexible materials : en fr
  • US1771352A - Clutch mechanism : en
  • FR686375A - Ribbon printing machine : en fr
  • GB332415A - Improvements in table-game apparatus : en
  • US1771157A - Clarinet mouthpiece : en
  • CA302251A - Reflector for headlights : en fr
  • CA302329A - Braiding machine : en fr
  • DE502674C - Recovery of concentrated sulfuric acid from sulfuric acid solutions containing iron sulfate : de en
  • DE503307C - Planetary gear : de en
  • DE501305C - Production of base-exchanging substances that can be used for technology : de en
  • DE503219C - Secondary draft regulator for firing systems : de en
  • GB332521A - Improvements in needle motions for looms for weaving pile or other fabrics : en
  • DE503452C - Floating system (sand trap) for paper and paper stock manufacture : de en
  • FR686228A - Manufacturing process of stainless steel containers : en fr
  • GB332497A - Improvements in serving-hatchways and the like : en
  • GB316135A - Improvements in or relating to means for positioning electric lamps in cinematographic apparatus : en
  • GB332340A - Improvements in and relating to methods of and apparatus for starting and synchronizing dynamo-electric machines : en
  • DE503399C - Suspension device for removable and replaceable radiation lamps : de en
  • GB332298A - Improvements in loose leaf binders or files : en
  • GB332480A - Improvements in or relating to stereo mounting blocks : en
  • DE503145C - Device for the longitudinal movement of the ribbon of typewriters : de en
  • DE503527C - Discharge tubes : de en
  • FR686204A - Device preventing the draining of siphons : en fr
  • FR686226A - New insulating compound to prevent heat loss in thermal devices : en fr
  • FR686339A - new elements and resulting building constructions : en fr
  • FR686251A - Condensation water separator in a closing device : en fr
  • DE503665C - Dust separator with pocket-shaped filters connected at the lower open end with a stationary settling chamber : de en
  • DE503752C - Method for loop formation and knitting machine for its execution : de en
  • FR686439A - Device for checking the operation of spark plugs of an internal combustion engine : en fr
  • DE503523C - Switch to protect a connected machine or an electrical apparatus against excessive heat and body locks : de en
  • DE503796C - Attachment of chute drive machines : de en
  • FR686300A - Puncture-proof and non-inflatable air chamber : en fr
  • DE503468C - Edge protection for conveyors with longitudinal bands : de en
  • DE503252C - Insert plate with spacers : de en
  • DE503760C - Self-grabber : de en
  • GB332509A - Improvements in and connected with fishing bait : en
  • FR685962A - Piston ring grinding machine : en fr
  • GB332544A - Improvements in or relating to under-water exhaust apparatus particularly suitable for outboard motors for propelling motor boats : en
  • FR686243A - Wooden pulley : en fr
  • GB332455A - Improvements in and relating to heat-exchanging apparatus : en
  • FR686080A - Fire retardant adhesive coating : en fr
  • FR686239A - Improvements to the construction of thick-winged monoplanes : en fr
  • FR686305A - mobile equipment for electrical devices : en fr
  • DE503110C - Card holder for graduated cards, which is formed from one piece with the card by folding in a Z-shape : de en
  • DE503255C - Dry feeder for poultry with a foldable approach board : de en
  • DE503516C - Core identification of cables : de en
  • FR686107A - Process for the preparation of acidophilus milk : en fr
  • FR686664A - Stretch bracelet : en fr
  • GB332541A - Improvements in or relating to the automatic control of fluid pressure systems : en
  • DE503197C - Laundry rammer : de en
  • US1770956A - Positive safety lock for centrifugal extractors : en
  • US1771349A - Means for attaching wheels to shafts : en
  • FR686051A - Preparation process for coloring lakes : en fr
  • GB332441A - Improvements in needle-holders and needles for gramophones and the like : en
  • DE502042C - Process for the preparation of new condensation products of the benzanthrone series : de en
  • US1771328A - Folder : en
  • US1771229A - Antivibration device : en
  • AT118600B - Method of reserving vat dyes. : de en
  • DE503161C - Transportable lamp for therapeutic or heating purposes : de en
  • DE503262C - Process for the production of cock picks : de en
  • FR685966A - System for easily placing a jack under the axles of a motor vehicle : en fr
  • FR686059A - Improvements made to knitting looms and knitwear production on these looms : en fr
  • FR686478A - Improvements to the processes and apparatus used for signaling and lighting vehicles : en fr
  • FR686363A - Improvements to speed and power factor control and adjustment systems in induction machines : en fr
  • AT118676B - Machine for treating roads. : de en
  • CA302207A - Horse collar : en fr
  • CA302271A - Sealing machine : en fr
  • CA302381A - Oil base insulating pan for internal combustion engines : en fr
  • USD81658S - William lowy : en
  • AT118584B - Magnetic iron-nickel alloys. : de en
  • US1771100A - Latch : en
  • US1771275A - Building block or tile : en
  • CA302232A - Hoisting device : en fr
  • CA302298A - Process and apparatus for treating fibrous materials for pulping purposes : en fr
  • CA302395A - Apparatus for brine freezing and icing (glazing) edibles : en fr
  • CA302346A - Flashlight : en fr
  • DE503060C - Device for cutting open, cleaning and deburring fish that have been headed beforehand : de en
  • DK42640C - Shade holder for electric lamps. : da en
  • USD81679S - Design for a bottle : en
  • US1771066A - Overshot : en
  • US1771110A - Ingot type-metal mold : en
  • US1771289A - Hinged joint : en
  • DE503457C - Securing device for the lower, sliding up wing of a multi-part window, which can be tilted about a lower horizontal axis and provided with counterweights : de en
  • DE503581C - Centrifugal pump without stuffing box for the promotion of acids u. Like., whose impeller is provided on the back with so-called back blades : de en
  • US1771263A - Quack-grass digger and remover : en
  • US1771358A - Smoke-ring-emitting device : en
  • USD81616S - Island : en
  • US1771362A - Connection for iron constructions : en
  • DE503072C - Procedure for determining the indentation diameter in the ball or cone pressure test during loading : de en
  • DE503644C - Method and device for the production of rubber goods, in particular hollow rubber bodies, from rubber dispersions : de en
  • AT118505B - High pressure steam engine with stepped piston. : de en
  • AT118686B - Heating device for motor vehicles powered by internal combustion engines. : de en
  • US1771010A - Wheel brake mechanism : en
  • CA302241A - Continuous mechanical dryer : en fr
  • CA302246A - Complex ore flotation : en fr
  • CA302321A - Electrical modulation system : en fr
  • DE503550C - Gaff sail : de en
  • FR686413A - Improvements to metallic spoked wheels for vehicles : en fr
  • GB332614A - Improvements in or relating to tubular swivel connections for electric light and similar fittings : en
  • US1771269A - Heating and cooling of buildings : en
  • CA302253A - Mop having reversible dual purpose mop-heads : en fr
  • CA302309A - Alloy : en fr
  • US1770907A - Stress-measuring machine : en
  • USD81662S - Frederick w : en
  • USD81671S - Design eor a lamp reflector : en
  • AT118549B - Structure arrangement for transformers, especially current or voltage converters with staggered induction systems. : de en
  • US1770983A - Piano : en
  • US1771189A - Brush : en
  • FR686260A - Device for the mechanical application of a plaster : en fr
  • GB332579A - Manufacture of vat dyestuffs of the dibenzopyrenequinone series : en
  • GB332916A - Stocking dryer : en
  • DE503312C - Process for connecting the ends of metal cloths or metal wire mesh, in particular for paper and cellulose production : de en
  • DK42650C - Device for Picking up Root Vegetables. : da en
  • US1771384A - Method of recovering carbon bisulphide : en
  • USD81672S - George f : en
  • GB309125A - Improvements in or relating to brake lining and the manufacture thereof : en
  • GB332463A - Improvements relating to nuts : en
  • DE502920C - Free-floating membrane for loudspeakers : de en
  • DE503342C - Device for automatic grouping : de en
  • FR685961A - Tie holder : en fr
  • US1771118A - Bock cbtrsheb : en
  • US1771216A - Insulating body of spun glass : en
  • GB332604A - Mixture of gel-forming silicate materials and method of making and applying the same : en
  • FR686207A - Further training in the manufacture of ceramic products : en fr
  • GB332453A - Improvements relating to lubricating systems : en
  • DE503357C - Multiple rubbing, grinding and mixing mill for chocolate, paint, soap, etc. like : de en
  • DE503500C - Idling device on locomotives by putting rods out of operation : de en
  • DE503584C - Air outlet for drying drums with trickle installations : de en
  • DE503670C - Single motor drive for sewing machines : de en
  • US1771136A - Method of producing alpha gas-purifying material : en
  • GB332580A - Improvements in and relating to mechanical toys : en
  • FR686338A - Removable connection device of electrical insulator elements : en fr
  • FR686062A - Installation for light calls : en fr
  • FR686404A - Toilet Bucket Improvements : en fr
  • GB313158A - : en
  • GB332335A - Improvements in machines for labelling bottles, cartons and the like : en
  • GB332458A - Method of headlighting and an electric lamp for use in connection with the same : en
  • DE503433C - Gas or liquid meter with a U-shaped rotary piston : de en
  • US1771253A - Garment : en
  • FR686335A - Process for the purification of magnesium or its alloys : en fr
  • GB332291A - Improvements in and relating to the separation of dry materials : en
  • GB332567A - Improvements in or relating to the modulation of a beam of light, for use for example in the recording of sound or in the reproduction of recorded sound : en
  • DE503766C - Recoil propulsion device powered by liquid or gaseous fuel : de en
  • FR686130A - Clip : en fr
  • FR686137A - Manufacturing process of concentrated nitrogen acid : en fr
  • DE503328C - Rotary kiln with more than two race rings : de en
  • DE503498C - Safety device for a power machine system consisting of a piston steam engine and a steam turbine : de en
  • AU2194829A - Improved method for impregnating and/or coating fabric with rubber : en
  • US1771005A - Universal end wall for switch boxes and the like : en
  • CA302297A - Valve : en fr
  • AU2140329A - Improvements in innertubes for pneumatic tyres : en
  • DE503509C - Welded rail butt joint in which weld metal is inserted between the butt plates and the rail ends : de en
  • CA302286A - Explosive composition : en fr
  • DE503562C - Device for drawing plastic profiles : de en
  • AT118516B - Method and device for monitoring high-voltage systems with earth fault extinguishers. : de en
  • DE503663C - Centrifugal air separator : de en
  • DE503789C - Containers, in particular for accommodating in motor vehicles : de en
  • GB332378A - Automatic cup pastry making machine : en
  • CA302259A - Circular knitting machine : en fr
  • AU2118729A - Improvements in and relating to machines for making molded pulp articles : en
  • DE503094C - Advertising device for showing moving pictures : de en
  • US1770951A - Cutting tool : en
  • US1771230A - Adjustment of aeroplane ailerons : en
  • US1771332A - Depository : en
  • CA302192A - Distillation process and apparatus : en fr
  • CA302391A - Knock-down container : en fr
  • DE502885C - Hard rubber ear shell with soft rubber edge : de en
  • FR686003A - Improvements to air washers and chassis layout for agricultural tractors : en fr
  • AT118694B - Drive for electric rail vehicles. : de en
  • CA302383A - Manufacture of hydrochloric acid : en fr
  • FR686143A - Filter especially for water purification : en fr
  • GB332487A - Improvements in men's and boys' shirts : en
  • DE503485C - Nozzle for sandblasting blower : de en
  • FR686124A - Umbrella with case serving as handle : en fr
  • CA302213A - Luffing crane : en fr
  • US1771326A - Liquid-dispensing device : en
  • DE503306C - Manual gearbox with alternating driving pawls : de en
  • DE503825C - Scaffold-free formwork for reinforcing arched bridges on the underside during operation : de en
  • GB312998A - : en
  • AT118669B - Braking device for motor vehicles with explosion engines. : de en
  • AT118555B - Electric motor, especially for sewing machines or the like. : de en
  • DE502575C - Automatic compressor for gases : de en
  • DE502832C - Separation of multicomponent alloys : de en
  • US1771197A - Separation of the constituents of gaseous mixtures : en
  • US1771369A - Crusher head for homogenizing apparatus : en
  • CA302224A - Concrete joint form : en fr
  • CA302272A - Telephone system : en fr
  • DE503124C - Cover sheet turning device : de en
  • CA302351A - Apparatus for distributing liquefied gas : en fr
  • US1771365A - Aeroplane propeller : en
  • AT118646B - Process for storing and transporting pesticides suitable for fumigation. : de en
  • FR686361A - Improvements to the anodes of mercury rectifiers : en fr
  • GB313487A - Welding agent for magnesium alloys : en
  • GB332492A - Improvements in and relating to presses for drawing sheet metal : en
  • DE503393C - Theft protection for electric light bulbs with bayonet socket : de en
  • FR686235A - Device for emptying circulation circuits in fluid transmission devices or fluid couplings : en fr
  • FR686032A - Packaging device for incandescent lighting sleeves, and the like : en fr
  • FR686171A - Device for milling and facing valve seats : en fr
  • FR686422A - Blades for steam or gas turbines : en fr
  • GB332559A - Improved method of and means for telegraphic transmission of pictures and the like : en
  • US1771261A - Rope guide for insuring the unfolding of parachutes : en
  • US1771265A - Automobile radiator ornament : en
  • US1771044A - Method of producing resin esters : en
  • AT118700B - Collapsible stand poster that can be set up like a stage and is provided with pull-out backdrops. : de en
  • DE503517C - Procedure for adjusting the inductance of induction coils : de en
  • AU2078729A - Improvements inthe production of carbon and hydrogen chloride : en
  • AT118551B - Brush holder for small motors. : de en
  • AU1986729A - Scraper forthe running boards'of road vehicles : en
  • CA302223A - Grinder : en fr
  • CA302357A - Asbestos friction clutch ring : en fr
  • DE503079C - Two-stroke internal combustion engine : de en
  • AT118659B - Motor that is operated by the exhaust gases from a furnace. : de en
  • AT118564B - Liquid measuring device with two measuring vessels that fill and empty alternately. : de en
  • USD81617S - Design for bedspread : en
  • CA302202A - Combined incubator and hatcher : en fr
  • USD81677S - Design for a landing indicator for airports : en
  • AT118661B - Pasta screw press for kitchen use. : de en
  • DE502708C - Magnifying glass : de en
  • DE503031C - Process for the preparation of the N-oxyethyl derivatives of core substitution products of -amino-1-oxybenzene : de en
  • GB332320A - Improvements in inking mechanism for printing machinery : en
  • GB332512A - : en
  • AT118591B - Emulsion for tanning purposes. : de en
  • AU2454030A - Filling and capping machine for containers : en
  • CA302322A - Duplex radio communication system : en fr
  • AT118574B - Flush valve with counter pressure chamber and auxiliary valve. : de en
  • AT118567B - Sofa bed. : de en
  • US1770941A - Vehicle body construction : en
  • US1770969A - Method of and apparatus for sheathing cores : en
  • US1771071A - Grease cup : en
  • DE503590C - Underwater drill : de en
  • DE503723C - Fridge equipped with a chiller : de en
  • FR685971A - Cash register or accounting machine with a stacking system leading the cut slips into a receiving box : en fr
  • GB332526A - Improvements in or relating to the manufacture of goods of rubber or similar material : en
  • AU2459030A - Improvements in internal combustion engine devices for carburettor air supply : en
  • US1771212A - Electrical apparatus : en
  • CA302260A - Stage curtain or drop : en fr
  • DE503400C - Electric motor-operated hand device with interchangeable attachments for hair drying and massaging : de en
  • DE503520C - Terminal board provided with lightning protection, especially for transfer end closures : de en
  • US1771113A - Combined cigarette holder and lighter : en
  • US1771211A - Air pump : en
  • FR686321A - Vulcanization process for unsaturated organic compounds : en fr
  • GB317477A - Improvements in or relating to electrical devices for timing and like purposes : en
  • GB332424A - Improvements in machines for folding paper : en
  • DE503389C - Process for venting electric light bulbs and other vacuum vessels : de en
  • CA302201A - Paint spraying apparatus : en fr
  • GB332293A - Improvements in or relating to devices for splicing wires : en
  • GB332599A - Improvements in and relating to the manufacture and production of powdered soap : en
  • DE503297C - Gate valve : de en
  • FR685952A - Light metal barrels for small arms : en fr
  • AT118566B - Impact tool. : de en
  • DE503551C - Device for mechanical straight and hollow grinding of scissor blades : de en
  • FR686392A - Rotating disc with transformations of colors and figures : en fr
  • DE503157C - Device for cooling electromagnetic motors with a reciprocating armature : de en
  • DK42618C - PROCEDURE AND DEVICE FOR MANUFACTURE OF COMPRESSED AIR FOR PRESSURE AIR PLAYERS FOR PRESSES. : da en
  • DE503417C - Circular knitting machine with thread guides : de en
  • FR686174A - Auxiliary tarare for threshing machines : en fr
  • GB332448A - : en
  • GB332416A - Improvements in or relating to swinging seats, or the like : en
  • CA302354A - Radio receiving set : en fr
  • FR686210A - Machine gun carriage : en fr
  • GB332517A - Improvements in and connected with boats, such as ship's life boats : en
  • DK42615C - Raising tool for Leather. : da en
  • FR686236A - Improvements to pneumatic tire rims for road vehicle wheels : en fr
  • GB332365A - : en
  • GB332539A - Improvements in or relating to electric protective arrangements : en
  • GB332590A - Improvements in and relating to the manufacture and production of powdered soap : en
  • DE502694C - Method and machine for the production of a Haekelware with weft threads bound by chain sticks : de en
  • DK42621C - Device for switching transformers, in particular for low frequency amplifiers. : da en
  • GB306512A - Improved manufacture of oxygenated organic compounds : en
  • GB332449A - Improvements in hauling slideways for whaling vessels : en
  • FR686194A - Production of new metallic dyes : en fr
  • FR686295A - lock nut : en fr
  • GB310429A - Improvements in automatic musical instruments combined with apparatus for reproducing recorded sound : en
  • DE496724C - Device for wringing out laundry : de en
  • DK42620C - Procedure and Device for Removing Hydrogen Sulfide from Gases Using Thionate Solutions. : da en
  • FR686342A - Improvements to the method and apparatus for molding fused quartz objects : en fr
  • US1771237A - Color-combination speed indicator for vehicles : en
  • US1771378A - Transparent glass plate : en
  • FR686352A - underwater sound transmitter with directed sound waves : en fr
  • USD81653S - Design fob a candle holder : en
  • USD81660S - Design por a bill clip : en
  • FR686493A - Process for the production of mixtures of metallic and non-metallic materials : en fr
  • GB332450A - Cartons or boxes for electric lamps : en
  • FR686211A - Pot handle and other kitchen utensils : en fr
  • GB332462A - Improvements in sheet metal rolling processes : en
  • DK42654C - Electrical Capacitor, which consists of several Capacitor units, which in one or more Rows are attached to a Frame. : da en
  • US1771355A - Paper-making machinery : en
  • FR686182A - Loose Sheet Assembly Block : en fr
  • FR686369A - Automatic constant-level drinker : en fr
  • DE503415C - Knitted stocking with seamless toe and process for its manufacture : de en
  • DE503501C - Exclusion wedge, consisting of a stationary part and a movable part during exclusion : de en
  • DE503646C - Process for the production of rubber goods directly from rubber milk by dipping : de en
  • FR686379A - Anti-glare headlight : en fr
  • GB310485A - Improvements in automatic small arms : en
  • GB332457A - Improvements in trailer mowers : en
  • DE503537C - Power plant powered by ammonia gases : de en
  • DE503833C - Device for connecting alternating current sources in parallel : de en
  • GB316304A - Apparatus for shaping grindstones adapted to rectify gear teeth of involute outline : en
  • FR686084A - Pencil sharpeners : en fr
  • FR686156A - Improvements to chamber ovens, in particular horizontal chamber coke ovens : en fr
  • DE503478C - Non-removable, push button-like identification mark for socks or the like : de en
  • GB310426A - Improvements in processes and apparatus for producing ethyl alcohol from the cases which develop during the baking of bread in ovens of whatever type : en
  • FR686099A - Hand shovel for domestic use : en fr
  • FR686257A - Manufacture of welded pipes free of straw : en fr
  • DE503795C - Process for the production of internally metallized steel barrels with a small bunghole : de en
  • DE503464C - Rotary kiln, in which the cooler and the rotary kiln form a uniform, elongating tube with annularly arranged cooling ducts : de en
  • DE503563C - Thread reel : de en
  • DE503691C - Slide insert for cartridges for boxes : de en
  • GB308282A - Valve gearing in particular for locomotive and ships' steam engines : en
  • DE503671C - Valve bag : de en
  • CA302204A - Glass feeding device : en fr
  • DE502805C - Roller pantograph with auxiliary pantograph for the automatic return of the derailed pantograph roller to the contact line : de en
  • GB332477A - Improvements in spring cushioned upholstery : en
  • US1770929A - Oil cup : en
  • US1771128A - Lubricator : en
  • US1771290A - Shock absorber : en
  • USD81620S - Design fob a bottle : en
  • USD81656S - Howard p : en
  • AU2324329A - Improvements in and relating to automatically changing signs or advertising devices : en
  • USD81678S - Assiqnoe to electric vacuum cleaner : en
  • DE503690C - Thumbtack : de en
  • USD81626S - Design fob a lamp base : en
  • GB332479A - A new or improved plate for sponge sandwich, cake, pie and the like food-stuff to be cut into portions : en
  • CA302294A - Glow relay tube : en fr
  • DE503725C - Electrically heated furnace system suitable for continuous operation with adjacent charging, heating and cooling rooms, the floors of which can be raised, lowered and moved together, and procedures for operating the system : de en
  • CA302385A - Knockdown shipping box : en fr
  • FR686145A - Cartridge for smoothbore weapons that rotates the bullet at the moment of expulsion : en fr
  • FR685973A - Method and device for nitrifying cotton, cellulose and the like : en fr
  • GB332312A - Flying machine : en
  • DE503426C - Device for head, cleaning and deburring of fish : de en
  • DE502323C - Method and device for the production of beer coasters with an embossed protective edge which is impermeable to moisture : de en
  • FR686246A - Semi-rigid turn-down collar : en fr
  • US1771184A - Doorcheck for railroad cars : en
  • DE503459C - Weight compensation for sliding windows by means of arched leaf springs : de en
  • GB332419A - Improvements in or relating to draught excluders for doors and the like : en
  • FR686362A - Improvements to control and adjustment systems for mercury arc rectifiers and equivalent devices : en fr
  • US1771267A - Oil-collecting apparatus for dough-dividing machines : en
  • GB317789A - Improvements relating to automatic synchronizing apparatus : en
  • GB332564A - Improvements in needle looms for weaving pile or other fabrics : en
  • GB332935A - Improvements in or relating to processes for the production of tanning extracts and cellulose or pulp : en
  • FR686449A - Hollow brick particularly applicable to the construction of ceilings and roofs : en fr
  • GB332471A - Stop valve for high pressures : en
  • DE503075C - Container for cigars, cigarettes or the like with a hinged lid : de en
  • CA302366A - Covered weldrod for electric arc welding : en fr
  • AU2475230A - Glue composition and process of making it : en
  • DE503784C - Business book : de en
  • FR685968A - Method for improving the surface of objects made of colloidal artificial materials : en fr
  • DE503365C - Device for obtaining salt from solutions by evaporation, cooling or melting : de en
  • USD81675S - Ing co : en
  • FR686185A - Internal combustion engine and compressed air intervention : en fr
  • GB314350A - : en
  • US1770917A - Latch for automobile doors : en
  • GB332529A - Improvements in seat covers : en
  • FR686457A - Centrifugal force speed limiter device for vehicle and other engines : en fr
  • GB332612A - A device or apparatus for use in cleansing tobacco pipes, cigar and cigarette holders and the like : en
  • USD81628S - Design eor a lamp : en
  • CA302291A - Method of reducing refractory metal oxides : en fr
  • DE503531C - Method for regulating the amount of fluid to be added to a medium to a constant specific gravity of the mixture : de en
  • CA302336A - Steering wheel : en fr
  • FR686500A - Clutch or ball coupling : en fr
  • US1771202A - Combination cigarette case and lighter : en
  • US1771304A - Kalamein door : en
  • US1771387A - Automobile door latch : en
  • AT118631B - Process for making halo-free photographic plates. : de en
  • US1771132A - Device for reducing the rate of fire of automatic firearms : en
  • US1771334A - Soldering torch : en
  • DE501843C - Device for driving paddle slides : de en
  • DE503048C - Process for the production of sealing wax in a more or less finely divided form : de en
  • FR686010A - Method and device for taking off and landing or landing an airplane in limited space or terrain : en fr
  • FR686383A - Improvements in tanning processes : en fr
  • GB332568A - Improvements in or relating to light metal structures : en
  • DE503358C - Processing of raw lignite in wet service : de en
  • DE503622C - Device for handling wiping discs : de en
  • USD81641S - Design for a head for lighting units : en
  • AT118609B - Process for the production of viscose rayon. : de en
  • AU2472330B - Sandblasting machine : en
  • GB313168A - : en
  • AT118653B - Loading device for mills, in particular for grinding pasty masses under pressure. : de en
  • DE503156C - United short-circuit and thermal fuse : de en
  • GB332490A - Improvements in or relating to door, gate and like holders : en
  • GB332634A - Improvements in the manufacture and production of condensation products from a urea and formaldehyde : en
  • US1770945A - Window ventilator : en
  • US1770932A - Method of strengthening structural members under load : en
  • AT118619B - Process for the production of seed dressings and pesticides to be used in dust form. : de en
  • AT118512B - Holders for injection nozzles of internal combustion engines. : de en
  • AT118644B - Process for the preparation of 0,0-diacetyldiphenolisatin. : de en
  • US1771266A - Radio loud-speaker : en
  • AT118649B - Typewriter with simple carriage switching. : de en
  • FR36590E - Manufacturing process of rubber-like masses : en fr
  • FR686172A - New filling process for scalloping carders for combed wool and similar fibers : en fr
  • FR686301A - Manufacturing process for pastry boxes and boxes : en fr
  • AT118650B - Device for guiding the movable form of a casting mold for type casting. : de en
  • US1770937A - Aircraft safety motor : en
  • CA302375A - Paper handling machine : en fr
  • AT118587B - Process for the production of a baking aid. : de en
  • US1771351A - Reversible steam engine : en
  • DE503088C - Metal stuffing box : de en
  • FR686265A - Dental articulator improvements : en fr
  • US1770958A - Process in the manufacture of cement : en
  • US1770947A - Shuttle : en
  • US1770923A - Mining machine : en
  • US1771185A - Mattress and method for making same : en
  • AT118635B - Process for the production of plastic masses from cellulose ethers. : de en
  • USD81659S - Design for an automobile signal bracket : en
  • CA302337A - Steering wheel : en fr
  • AT118685B - Railcar with machinery arranged on a special frame that is resiliently connected to the car body. : de en
  • DE503119C - Machine controlled by payment cards with combinations of holes : de en
  • FR686374A - Apparatus for cooking vegetables or other edible products by the direct action of the flame : en fr
  • DE503742C - Double cage armature motor with a common short-circuit ring for the start-up and the working cage, which is connected to the cage by soldering or welding : de en
  • FR686119A - Installations comprising several light tubes : en fr
  • DE502888C - Process for regulating generation in gas generation plants : de en
  • DE503489C - Protective cover for headlights : de en
  • DK42658C - Procedure for improving the quality of beer in beer production. : da en
  • AT118507B - Internal combustion engine. : de en
  • FR686268A - Improvements made to splitting prisms, in particular those of the pulfrich type : en fr
  • FR686387A - Pipe-connected cleaning apparatus specially suited for washing automobiles and the like : en fr
  • AT118503B - Closed roller bearing. : de en
  • AT118510B - Gas pipe, in particular for gas apparatus. : de en
  • US1771064A - Process for the purification of chemical wood pulp : en
  • US1771186A - Serving element for electric refrigerators : en
  • CA302389A - Car washing apparatus : en fr
  • US1771284A - Radio control device : en
  • US1771072A - Vehicle transmission : en
  • USD81661S - Frederick w : en
  • CA302320A - Communication system : en fr
  • FR685998A - Removable alcohol or other fuel stove : en fr
  • DE503444C - Damper for string instruments : de en
  • GB319354A - : en
  • CA302278A - Brake mechanism for automotive vehicles : en fr
  • DE502022C - Form cylinder for rotogravure printing machines : de en
  • DE503086C - Piston seal : de en
  • DE503098C - Paper and board machine : de en
  • DE503061C - Device for cutting open, cleaning, deburring, nibbling and cutting fish : de en
  • FR686238A - Improvements to pneumatic tire rims for road vehicles : en fr
  • US1771069A - Multiple-floor garage : en
  • CA302332A - Diazo-amino compound : en fr
  • CA302243A - Harvester : en fr
  • GB332545A - Improvements in the dyeing of regenerated cellulose materials : en
  • DE503439C - Magnetic electric igniter for explosion engines : de en
  • DE503463C - Device for automatic closing of curtains or doors in the event of a fire : de en
  • DE503471C - Procedure for removing biscuits : de en
  • FR686199A - Current reducer for lamp indicators : en fr
  • US1771054A - Lifting apparatus : en
  • US1771207A - Adjustable plant holder : en
  • AT118621B - Process for converting heavy hydrocarbon oils into more volatile ones by thermal decomposition under pressure. : de en
  • CA302211A - Oyster opener : en fr
  • DE503462C - Nuremberg funnel : de en
  • DE503352C - Motorized winch for plowing vineyards with two rope drums lying close together : de en
  • DE503657C - Cock with cylindrical plug and inserted elastic socket : de en
  • FR686217A - Molded brake lining : en fr
  • FR686320A - Skateboarding improvement : en fr
  • GB332395A - New or improved means for angularly adjusting the backs of chairs and seats : en
  • US1771193A - Temperature-responsive element : en
  • USD81650S - Sylvania : en
  • US1771281A - Electric hoisting gear : en
  • USD81640S - Design for a head for a lighting unit : en
  • US1771108A - Bearing construction : en
  • DE503552C - Grinding of knives using a swingable grinding wheel carrier : de en
  • FR686460A - Correction device for gyroscopic compass indications : en fr
  • DE503111C - Production of pure hydrogen : de en
  • DE503602C - Mercury contact apparatus : de en
  • US1770977A - Screen : en
  • GB332420A - Improvements in or relating to the carburetting of air particularly for internal combustion engines : en
  • GB332573A - Improvements in or relating to submarine communication conductors : en
  • FR686409A - Activation device for clutch mechanisms, in particular in motor vehicles : en fr
  • FR686120A - Process for preparing 3.4.8.9. and 4.5.8.9-halogenated dibenzpyrenequinones : en fr
  • DE503097C - Klaerbehaelter for separating the solids contained in the wastewater from paper manufacture : de en
  • CA302203A - Piston and piston ring : en fr
  • DE503794C - Procedure for echo sounding on frozen waters : de en
  • FR686016A - Acoustic vibration recording method : en fr
  • FR686103A - Method and device for winding material into wire and the product resulting from this winding : en fr
  • US1771105A - Method of and apparatus for joining together strips of flexible or semiflexible material : en
  • GB333165A - Improvements in the manufacture and production of vat dyestuffs containing halogens : en
  • FR686232A - Universal joint : en fr
  • AT118545B - Cable termination housings, especially for interiors. : de en
  • CA8840S - Tie hanger & stretcher : en
  • CA302267A - Bumper bracket : en fr
  • US1770939A - Locomotive boiler : en
  • US1771372A - Boat davit : en
  • DE503621C - Electric spindle drive, especially for artificial silk spinning pots, with liquid damping : de en
  • GB333224A - Improvements in the manufacture and production of motor fuels : en
  • GB304693A - : en
  • US1770993A - Art of rolling sheet metal : en
  • US1771137A - Tree-felling saw guide and rest : en
  • US1771161A - Wardrobe trunk : en
  • US1771175A - Clamping device for sealed containers : en
  • DE502983C - Machine with rotating roller brush for coating workpieces, especially pastries : de en
  • FR686292A - Electro-mechanically controlled brake shoe for braking vehicles traveling on the tracks : en fr
  • GB332402A - Improvements relating to electric switches : en
  • GB332436A - Improvements in or relating to annealing furnaces : en
  • FR686326A - Improvements to laces or the like : en fr
  • DK42622C - Device for Secret Transmission of Signals. : da en
  • FR686170A - Improvements in the manufacture of cleaning and polishing compositions : en fr
  • DE503434C - Cigar and cigarette holders : de en
  • DE503768C - Connection of rods and tubes : de en
  • GB314545A - Improvements in or relating to vehicle and like lamps : en
  • GB332465A - Centrifugal pumps rendered self-priming by means of their gap water : en
  • FR686192A - Payment tablet : en fr
  • FR686307A - Manufacturing process for flexible disks used in particular as universal joints : en fr
  • IE11331L - Rubber articles : en
  • DE503236C - Towel holder : de en
  • DE503669C - Protection device for the needles of sewing machines when sewing fasteners : de en
  • FR686114A - Improvements to connecting rod mechanisms : en fr
  • GB332525A - Improvements in or relating to the manufacture of goods of rubber or similar material : en
  • FR686005A - Device for transforming a phonograph into a loudspeaker : en fr
  • FR686249A - Insulating jacket with heating device for the pipes : en fr
  • GB332322A - Improvements in or relating to the manufacture of cement : en
  • FR685975A - Process for obtaining, by chemical treatment of tobacco, an amount of toxic substance greater than its nicotine content : en fr
  • FR686253A - Curling or waving iron : en fr
  • FR685956A - Production of new dyes : en fr
  • FR686087A - Apparatus for determining the volume and density of granular material : en fr
  • FR686290A - Tourist hydrocycle : en fr
  • FR686056A - Device applicable to machines for stretching and drying fabrics for the introduction of the fabric into the fixing and tensioning members : en fr
  • GB310473A - : en
  • GB332401A - Improvements in electric water heaters : en
  • GB332589A - Improvements in or relating to internal combustion engines : en
  • FR686041A - Front sight for rifles and other firearms : en fr
  • US1771159A - Method of making hoops : en
  • US1771336A - Combination of an inlet valve and an exhaust valve for internal-combustion motors : en
  • GB332618A - Improvements relating to the production of metal sound records : en
  • FR686370A - Screwdriver device with device limiting the sinking of the lag screws in railway sleepers : en fr
  • FR686097A - Heating pad, especially for facial treatment : en fr
  • GB332440A - A new or improved packing case : en
  • FR685996A - Improvements to glass tank furnaces : en fr
  • FR686433A - Direct lane system for fast traffic : en fr
  • GB332461A - Improvements in electric hair driers : en
  • DE503304C - Pressure regulator with safety valve : de en
  • DE503515C - Process to increase the load capacity of aerial cables : de en
  • FR686213A - Mobile screen dispenser : en fr
  • FR686022A - Automatic pyrophoric lighter : en fr
  • FR686384A - Improvements to tools with two branches articulated around an axis : en fr
  • FR686421A - Improvements to paper folding machines : en fr
  • GB332369A - Improvements in and relating to springs : en
  • DE503148C - Bumper shell in axle bearings for rail vehicles : de en
  • FR686244A - Bag for permanent hair waving : en fr
  • FR686474A - Suspender for socks and stockings : en fr
  • US1771015A - Supporting hanger for roller shades : en
  • USD81615S - Setts : en
  • DE503310C - Production of base plates for railway or other rails : de en
  • US1771165A - Art of stencil manufacture : en
  • DE503651C - Shearing device for plow bodies which are pivotably mounted on the plow frame and held in the working position by a shear pin : de en
  • DE503615C - Process for improving damar resins : de en
  • CA302226A - Circular knitting machine : en fr
  • CA302333A - Display case : en fr
  • FR686033A - New method for measuring high voids : en fr
  • FR686061A - Ear protection device : en fr
  • FR686252A - Mixer : en fr
  • GB318633A - An improved process for removing water from aqueous formic acid : en
  • GB317455A - Production of printed fabrics : en
  • FR686309A - New decoration process of and by engraved metal sheets : en fr
  • DE503762C - Chimney for locomotive shed : de en
  • DE503437C - Cylinders for internal combustion engines : de en
  • FR686042A - Pipe curette : en fr
  • DE502833C - Separation of mechanically mixed metals : de en
  • DE489439C - Radially subdivided numerator to illustrate fractions, especially for elementary calculating machines : de en
  • DE503300C - Process for the manufacture of fittings : de en
  • DE503824C - Rail grinding car : de en
  • DE503840C - Process for obtaining a mixed gas from distillation gases and water gas at open stoves for the production of gas and coke using low-quality fuel : de en
  • FR686494A - Improvements to tire valves and devices to ensure their hermeticity : en fr
  • USD81674S - Design for an escutcheon for wired radio receiver : en
  • DE503801C - Method for producing fan-shaped, superimposed carbonless forms from paper webs : de en
  • DE503838C - Under wind device with chambers located below the grate : de en
  • DE503158C - Device for connecting the armature winding elements with the commutator bars of electrical machines : de en
  • FR686441A - Single-chamber air brake featuring a release valve that allows the brakes to be released in degrees : en fr
  • DE502005C - Process for the production of thread cutting dies : de en
  • FR686046A - Paper bag : en fr
  • GB333146A - Improvements in and relating to the production of colouring matters and intermediates : en
  • DE503739C - Device for preventing the charring of collectors or slip rings of electrical machines as a result of brush wear : de en
  • DE503746C - Electrical low-voltage multiple capacitor, the units of which, connected in parallel, are attached to a frame with their power connection head pieces in rows : de en
  • DE503385C - Process for the production of an electrical wire resistor, wound on a ceramic carrier and embedded in a glaze : de en
  • DE503428C - Wooden door : de en
  • DE503429C - Automatic feed control for electrically driven saw frames : de en
  • DE503730C - Current discharge for galvanic elements : de en
  • FR686266A - Mode of coupling of auxiliary turbines for locomotives with condensing turbines : en fr
  • FR686349A - Improvements to circuit breakers : en fr
  • DE503220C - Device for treating gases with liquids : de en
  • FR686122A - X-ray tube and method for taking snapshot radiographs : en fr
  • DE503159C - Device for generating axial oscillations of the runner of electrical machines : de en
  • GB332503A - A new or improved table stand : en
  • AT118603B - Procedure to seal liquids against gas absorption. : de en
  • USRE17738E - Kltjid-pressttre regulator : en
  • US1771116A - Detonating firework composition : en
  • FR686468A - Manufacturing process of insulating sheets composed of several layers of corrugated cardboard : en fr
  • GB332546A - Improvements in or relating to formers for yarn or like packages : en
  • US1771138A - Paper product and process of making the same : en
  • US1771314A - Sugar-cane sling : en
  • GB332498A - Improvements in and relating to caps for sealing bottles, jars and the like : en
  • US1771169A - Nonknocking motor fuel : en
  • US1770970A - Rotary-hearth furnace : en
  • US1770999A - Manoanese-arsenate insecticide of low water solubility : en
  • US1771167A - Culvert joint : en
  • US1771271A - Tooth display : en
  • DE503231C - Process for the production of endless glass panels : de en
  • FR686208A - Selective punch card counting device : en fr
  • FR686212A - Carrier for objects of all kinds : en fr
  • US1770992A - Welt-sewing machine : en
  • FR686386A - Pasta maker for domestic use : en fr
  • GB332611A - Improvements in coal cutting machines : en
  • DE503405C - Process for the production of wool dyes of the anthraquinone series : de en
  • FR686176A - Process for manufacturing a product for preserving leather and mainly a shoe polish cream : en fr
  • US1771241A - Hot-metal mixer : en
  • USD81636S - Design eor an electrolier : en
  • DE503595C - Chamber water tube boiler for strong evaporation : de en
  • DE503233C - Glasses cutting machine : de en
  • DE503685C - Roller guide for parts of slicers that can be moved back and forth : de en
  • US1771017A - Treatment of bituminous binder material : en
  • AT118546B - Cable transport roller. : de en
  • DE503480C - Binder with strings that can be swiveled against each other and folds between the back and the cover : de en
  • AT118698B - Feed device for high pressure steam boiler. : de en
  • AU2433629A - Improvements in machines for distributing manure, or other material : en
  • AU2472330A - Sandblasting machine : en
  • CA302295A - Suspension device : en fr
  • CA302330A - Manufacture of waterproof fibrous products : en fr
  • AU2196129A - Liquid metering device : en
  • CA302219A - Fire alarm : en fr
  • DE502938C - Machine for washing, rinsing and sterilizing cutlery : de en
  • GB332425A - Improvements in shuttle stop motions for looms for weaving : en
  • FR686125A - Pasta sawing machine : en fr
  • GB332566A - Improvements in or relating to fastenings for securing railway and like rails : en
  • DE503623C - Process for the production of long-lasting candies which only take effect inside the body and contain medicinal products embedded in egg yolk emulsion : de en
  • GB332407A - A new tool for producing decorative figured work : en
  • GB332514A - Improved means for applying labels or the like upon two or more sides of boxes, particularly match boxes : en
  • CA302279A - Power actuator : en fr
  • FR686165A - Process for the preparation of dyes of the 4.5.8.9.-dibenzpyrene-3.10-quinone series containing different halogen atoms : en fr
  • FR686436A - Generator melting furnace : en fr
  • DE503225C - Sand blowing device with movable blowing nozzles for filling molding boxes : de en
  • DE503813C - Control device for the lateral displacement of the workpiece carrier on brush drilling and tamping machines : de en
  • FR686012A - Acetylcellulose manufacturing process : en fr
  • FR686261A - Improvements in the manufacture of artificial resins : en fr
  • GB318932A - : en
  • GB332356A - Improvements relating to heat-insulating compositions for safes and the like : en
  • DE501057C - I-shaped lock bolt for a box sheet pile wall : de en
  • DE503475C - Automatic loading device for briquettes : de en
  • FR686158A - Convertible furniture for school rooms and similar : en fr
  • DE503461C - Process for drawing the thinnest metal threads into shorter or longer capillaries : de en
  • US1771163A - High-speed screen mill : en
  • DE502807C - Arrangement for frequency-independent adaptation of consumers to high-frequency energy sources : de en
  • DE503681C - Tow truck : de en
  • GB332502A - : en
  • DE503251C - Friction wheel lighter with sliding sleeve : de en
  • FR686333A - Combined friction and gear drive for a vehicle traveling on rails : en fr
  • DE503724C - Cooling element for the construction of cooling space walls in the form of a plate : de en
  • FR686167A - Method of fixing automatic couplers on railway vehicles : en fr
  • GB305025A - Improvement in kilns : en
  • DE502889C - Can be used as a raincoat : de en
  • DE503567C - Weft wire holding device for wire looms : de en
  • DE502183C - Method for measuring the alternating magnetic flux : de en
  • GB332394A - A new or improved automatic disinfecting apparatus for lavatories : en
  • US1771255A - Controller for electrically-operated skip hoists : en
  • US1771361A - Protective apparatus : en
  • CA302368A - Smoker's appliance : en fr
  • FR686323A - Improvements to anti-glare devices for vehicles moving on roads : en fr
  • FR686351A - Improvements to sliding gates : en fr
  • DE503044C - Heavy-duty sheathed conductor of great strength : de en
  • DE503409C - Firing with a trickle shaft dividing the entire width of the furnace into two parts : de en
  • FR686306A - Pulverized charcoal dispenser : en fr
  • FR686412A - Device for obtaining a footprint : en fr
  • DE503078C - Ball joint pipe connection for liquid manure distribution systems : de en
  • DE503171C - Machine for varnishing or similar of floors or other surfaces : de en
  • FR686331A - Improvements in apparatus for the manufacture of artificial filaments or fibers : en fr
  • FR686365A - Damp wall drying system : en fr
  • DE503343C - Packing device for cigarettes or similar items : de en
  • DE503711C - Sheeter with offshoots for paper or other fibers, plastics and the like like : de en
  • DE503731C - Device for filling liquids into vessels : de en
  • FR686018A - Mudguard set for cycles, motorcycles and cars : en fr
  • FR685992A - Improvements in the separation of gases between them : en fr
  • DE502579C - Device for removing the rayon spinning nozzle : de en
  • DE503502C - Drive of the cheek which controls the metal outflow from the melting pot in stereotype plate casting plants with a horizontal casting mold : de en
  • FR686234A - Electric discharge tube : en fr
  • FR686477A - Method and apparatus for removing and entraining gas dust from the throat out of raw gas lines and dust separators in blast furnaces and the like shaft furnaces : en fr
  • DE503396C - Device for switching off X-ray machines : de en
  • US1771058A - Work-locating pin for jigs : en
  • DK42659C - Folding seat. : da en
  • GB332323A - Silencers for internal combustion engines : en
  • FR686193A - Waterproof, insulating, water-repellent cementitious paste : en fr
  • FR686198A - Device to prevent the tires from sagging in the event of deflation : en fr
  • DK42655C - Cleaning device for threshers and the like. : da en
  • US1771106A - Dispensing receptacle : en
  • DE501432C - Carding with mutually cooperating work rolls lying around the large drum : de en
  • DE503263C - Regulator : de en
  • GB332454A - Improvements in dry food hoppers for poultry : en
  • GB333199A - Improvements in or relating to heat fuses for use in connection with electric and other furnaces : en
  • DE503377C - Automatic warning signal system for railroad crossings on the same rails : de en
  • DE503508C - Method for the uniform filling of an aluminothermic casting mold for rail welding by means of a distributor piece and casting mold located above the same in the casting head : de en
  • DK42617C - Start-up device for internal combustion engines, in particular two-stroke engines with three or a multiple of three cylinders. : da en
  • FR686045A - Rolling process : en fr
  • FR685990A - Equipotential Cathode Discharge Tube : en fr
  • GB332373A - Improvements in or relating to calculating apparatus : en
  • US1771052A - Horn : en
  • FR686491A - Method and apparatus for manufacturing and processing salt cellulose ethers, and products so obtained : en fr
  • GB332339A - Improvements in or relating to steam, water or other boilers : en
  • GB332375A - Mercury contact switch tube : en
  • US1771124A - Engine governor : en
  • USD81666S - Morris salinger : en
  • US1771112A - Control means for irrigation ditches : en
  • DE503038C - Rail butt connection with tenoning of the middle cross-section of the rail ends : de en
  • AU2116629A - Device for supporting and carrying spare tyres on automobiles : en
  • GB332597A - Compositions comprising carbohydrates and acid reacting substances for incorporation with milk : en
  • US1771158A - Engine-lubrication system : en
  • FR686104A - Lubricating devices for rear axles and gearboxes of motor vehicles : en fr
  • GB317476A - Improvements in or relating to methods of making laminated glass : en
  • AT118520B - Relay and voter arrangement in telephone systems. : de en
  • DE503214C - Electromagnetic gearbox for alternating current, the armature of which is forced to vibrate by the interaction of a constant force field and an alternating field generated in coils which are arranged in the constant force field and by means of a spring acting on it, while the natural frequency of the vibrating system is lower than that Frequency of the alternating current is : de en
  • FR686196A - Improvements to fluid pressure brake devices : en fr
  • FR686347A - Machine for casting plastic or liquid objects : en fr
  • GB332427A - Improvements in and relating to gratings, particularly applicable for flooring and like purposes : en
  • GB332609A - Improvements in haulage gear : en
  • US1771009A - Locking socket : en
  • US1771078A - Rail-expansion sound deadener : en
  • AT118525B - Arrangement for load sharing in power plants with asynchronous generators. : de en
  • AT118663B - Inflatable hollow rubber body. : de en
  • GB332562A - Improvements in and relating to thermionic tubes : en
  • CA302231A - Starter for internal combustion engines : en fr
  • US1771056A - Electrical resistance construction : en
  • US1771323A - Attachment for electric amplifiers : en
  • DE503299C - Knife gate valve : de en
  • DE503491C - Head dyeing device for dyeing artificial silk : de en
  • FR686092A - Felt with a velvet-like surface : en fr
  • GB332384A - Improvements in or relating to the construction of cycle frames : en
  • DK42614C - Device for Control of Electric Ship Drive Systems. : da en
  • GB332423A - Improved fin system for hydro-aeroplanes : en
  • DE503382C - Circuit arrangement for telephone systems with sub-centers : de en
  • DE503844C - Glass blowing machine : de en
  • AT118575B - Protective plate for safety razors with a thin knife blade. : de en
  • DE503406C - Process for the production of colored lakes by reacting the rhamnegin with the enzyme, both of which are contained in the fruits of the rhamnus species : de en
  • DE503572C - Method for applying a length division for electrical cables with a folded metal jacket : de en
  • DE503828C - Switching mode for resistance-coupled multi-system tubes for high-frequency amplification : de en
  • FR686296A - Self-locking screw : en fr
  • US1770954A - Parachute ejector : en
  • USD81634S - de witt : en
  • US1771021A - Electron-tube relay : en
  • US1771248A - Smoker stand : en
  • USD81624S - Design fob a lamp base : en
  • DE503285C - Device for measuring the dew point temperature, the relative and absolute humidity or the water vapor pressure of the air : de en
  • US1770981A - Automatic fluid lift : en
  • AT118665B - Address printing machine or similar printing machine with a device for automatic step-by-step advancement of a list to be printed. : de en
  • DE503442C - Liquid seal for standing agitator waves on pressure vessels : de en
  • DE503450C - Process for the digestion of vegetable fibers, such as wood, straw and the like. like : de en
  • US1771210A - Stroboscope : en
  • US1771335A - Internal-combustion engine : en
  • US1770897A - Railway train-indicating apparatus : en
  • DE503376C - Station indicator : de en
  • DE503319C - Exchange pen : de en
  • DE503536C - Fuel needle valve, especially for diesel engines : de en
  • DE503425C - Device for head, cleaning and deburring of fish : de en
  • US1771065A - Confection shell-forming machine : en
  • US1771143A - Attachment of uppers to soles of footwear : en
  • US1771242A - Checker brick : en
  • AT118637B - Process for the preparation of highly concentrated alcohols. : de en
  • AT118547B - Lids for junction boxes. : de en
  • CA302306A - Oil filter : en fr
  • DE503412C - Traveling grate firing with under wind blower : de en
  • US1771008A - Spring-link last : en
  • DE503099C - Device for moving photographic lenses in the direction of their axis : de en
  • DE503101C - Hanger for sliding doors adjustable in height by means of an eccentric pin : de en
  • DE503153C - Hollow rope consisting of several sheet metal bodies bent together in a sector shape : de en
  • IE11269L - Contact sulphuric acid : en
  • US1770989A - Drive chain : en
  • US1771254A - Tie-slip collar : en
  • USRE17746E - Cutting and flanging tool and method of flanging : en
  • DE502846C - Ball bearing roller : de en
  • DE503200C - Production of nitrogen oxide from ammonia : de en
  • FR686177A - Hydraulic device for washing and cleaning vehicles, facades of houses, etc. : en fr
  • GB308363A - Improvements in the process of degreasing metal articles : en
  • CA302365A - Zinc oxide manufacture : en fr
  • DE503612C - Electromagnetic resonance spring drive : de en
  • GB311227A - Method of treating wood and other fibrous material : en
  • USD81644S - Design for a casing fob a pocket prophylactic tjnit : en
  • US1770957A - Aligning device for driven belts : en
  • USD81676S - Design for a carton : en
  • FR686282A - Typewriter Improvements : en fr
  • DE503053C - Process for the aftertreatment of catgut : de en
  • DE502960C - Mixture-compressing internal combustion engine : de en
  • FR686101A - Lid for folding cardboard boxes : en fr
  • GB332550A - A new or improved electric wiring or like clip or carrier : en
  • DE480498C - Injection carburetor : de en
  • DE503163C - Process for the production of Kuepen dyes of the benzanthrone series : de en
  • GB332414A - Improvements in electrical switches contained in boxes and combined with plug fuses : en
  • GB332610A - Improvements in or connected with mechanism for imparting motion to conveyers of the jigging type : en
  • US1771322A - Window for motor cars and other vehicles : en
  • CA302326A - Radio receiving system : en fr
  • DE503556C - Centerless grinding of rotating bodies : de en
  • US1771168A - Bag : en
  • DE503190C - Device for conveying and turning box parts, which are conveyed by resilient grippers : de en
  • DE503696C - Method for separating strand cigarettes : de en
  • AT118632B - Process for the preparation of light-sensitive layers and images containing organic colloids. : de en
  • DE503473C - Device for automatic unloading of the plates : de en
  • CA302313A - Production of solutions of resins, caoutchouc, fats, etc. : en fr
  • FR686168A - Improvements to talking cinematographs : en fr
  • AT118605B - Process for casting steel and apparatus for mechanical treatment of the castings. : de en
  • DE503117C - Manufacture of paints, especially for rust protection and ship floors : de en
  • AT118613B - Method for the representation of new asymmetrical arsenic compounds. : de en
  • USD81645S - Design fob a fltje deflector for gas stoves : en
  • US1771087A - Phonograph : en
  • CA302379A - Apparatus for coating pipes, bars, etc. : en fr
  • AU2416029A - Driving gear arrangement for automobiles : en
  • US1771201A - Greensand core : en
  • AU2112829A - An improved air cleaner and concentrator for internal combustion engines : en
  • CA302218A - Apparatus for piping clothes or garments : en fr
  • CA302227A - Colostomy appliance : en fr
  • CA302273A - Butter feeding and cutting mechanism : en fr
  • DE502587C - Dezincification of liquid slag by blowing : de en
  • FR686330A - Improvements in the treatment of artificial filaments, yarns or threads : en fr
  • GB315833A - Improvements in or relating to electric signs : en
  • GB332371A - Improvements in or relating to orthopaedic foot supports : en
  • US1771133A - Process for making producer gas : en
  • US1771194A - Means for attaching capillary tubes to bulbs : en
  • AT118578B - Floor washer with winder. : de en
  • DE503529C - Process for melting copper and apparatus for its practice : de en
  • FR686334A - Plant for the separation of solids from liquids : en fr
  • CA302210A - Fruit juice extractor : en fr
  • CA302380A - Plasticity control method and apparatus : en fr
  • US1771048A - Process and apparatus for distillation of bituminous material : en
  • US1771386A - Molding for automobile bodies and the like : en
  • AT118576B - Adjustable, springy chair. : de en
  • AT118604B - Process for finishing artificial silk. : de en
  • DE503100C - Device for cleaning pipes, in particular beer pipes : de en
  • DE503386C - Drive system for electrical apparatus : de en
  • DE503514C - Telegraph system with character restoration using synchronously running distributors, a receiving relay which does not respond to strongly damped current surges of short duration, and a main relay : de en
  • US1771075A - Dispensing machine for plastic substances : en
  • US1771151A - Process for extinguishing fires : en
  • CA302312A - Means of operating gate valves : en fr
  • FR686332A - Improvements in the treatment of cellulosic materials : en fr
  • GB313049A - Improvements in or relating to frame mountings for rotating motors : en
  • AT118585B - Process for the production of pore-filling oil-containing primers. : de en
  • DE503774C - Control gear for pivoting a pendulum shaft by turning a control shaft : de en
  • GB332488A - Conveyor chains : en
  • GB332575A - Improvements in or relating to water heaters : en
  • AT118541B - Method and apparatus for manufacturing telephone cables. : de en
  • AT118670B - Device for the production of films from cellulose solutions. : de en
  • CA302212A - Check valve : en fr
  • CA302250A - Pumping machine : en fr
  • CA302372A - Hydrocarbon oil : en fr
  • DE503180C - Process for the production of a solid product from formaldehyde : de en
  • DE503677C - Monitoring device for the tail lamp of motor vehicles : de en
  • FR686044A - Bright mobile decor in color, applied to flat and circular surfaces : en fr
  • CA302392A - Decolorizing substance : en fr
  • US1771121A - Door lifter : en
  • AT118678B - Carriages for passenger railways. : de en
  • FR686026A - Dispensing system for telephone lines : en fr
  • CA302304A - Skew lever : en fr
  • FR686160A - Device for indicating vertical : en fr
  • FR686337A - Device for distributing the load in trolleys for aerial cable transport : en fr
  • GB310487A - Self loading gun : en
  • GB332494A - Improvements in fastenings for boxes, trunks & the like : en
  • US1771312A - Earth-penetrator pile : en
  • AT118558B - Electrode rod with several partially isolated metal electrodes for welding or cutting with the electric arc. : de en
  • DE503592C - Process for the production of insert plates intended for centrifuges : de en
  • FR686317A - Improvements to character molds : en fr
  • DE502506C - Balance bar for artistic purposes : de en
  • FR686007A - Observation device for various entrances and premises : en fr
  • DE503293C - throttle : de en
  • DE503754C - Centrifugal compressor with housing cooling : de en
  • FR686472A - How to install doors, especially for heating and cooking appliances : en fr
  • GB332388A - Improvements relating to the surfacing of concrete roads with bituminous material : en
  • AT118570B - Rolling device for detaching metal pipes from the mandrel. : de en
  • DE503407C - Plant for polymerizing oils : de en
  • FR686373A - Machines for clarifying and purifying liquids : en fr
  • US1771019A - Sole-pressing machine : en
  • US1771342A - Solid form of lactic acid useful in baking powders and self-rising flours and mode of preparing same : en
  • US1770910A - Machine for dyeing yarn and the like : en
  • US1771074A - Internal-combustion engine : en
  • AT118593B - Electric annealing furnace for automatic operation. : de en
  • DE503692C - Device for attaching telescopic sights : de en
  • AT118535B - Telecommunication cables. : de en
  • GB332600A - Automatic rotating sprinkler head : en
  • GB332617A - Improvements relating to the production of metal sound records : en
  • DE503821C - Rail joint connection in which wedges are driven into slots in the web ends of the rails from opposite sides : de en
  • AU2462030A - Improvements in cooling mechanism for glass feeder shear blades : en
  • DE503600C - Thermal column placed in an evacuated or gas-filled glass bulb : de en
  • AT118645B - Process for the revitalization of catalysts used in the treatment of sulfur-containing hydrocarbon vapors. : de en
  • US1770942A - Adjustable partition support : en
  • US1771234A - Selective signaling system : en
  • USD81663S - Frederick w : en
  • DE503327C - Kiln for ceramic goods with a flashing flame and vent openings that can be regulated in groups and arranged in the furnace sole : de en
  • FR36610E - Method and device for heating and keeping hot, ready for full load operation, steam or gas tubes : en fr
  • GB318087A - : en
  • GB332359A - Improvements in the production of potassium nitrate : en
  • GB332361A - Improvements in or relating to shock absorbers : en
  • DE501853C - Process for the production of hydrogenated derivatives of diphenyl : de en
  • DE503209C - Urea-containing mixed fertilizer : de en
  • FR686410A - Improvements to processes and devices for capping bottles : en fr
  • US1771029A - Motion-picture film and method of producing : en
  • US1771366A - Medicating apparatus : en
  • US1770959A - Equalized brake : en
  • US1771140A - Method of making substantially anhydrous finely-divided synthetic resins : en
  • CA302217A - Trap nest : en fr
  • CA302284A - High-explosive composition : en fr
  • DE503496C - Process for the production of barium hydroxide from barium silicates : de en
  • GB311711A - Improvements relating to copying telegraph systems : en
  • US1771221A - Pawl motion : en
  • DE503596C - Steam trap with expansion body : de en
  • DE503490C - Form for reworking gasoline tanks welded at the seams : de en
  • US1771027A - Corn husker : en
  • DE502868C - Car spinner with multi-motor drive : de en
  • FR686191A - Ladies' shoe improvements : en fr
  • US1771035A - Meat saw : en
  • US1770938A - Steering shock absorber : en
  • US1771055A - Electrical resistance and formation of the same : en
  • US1771217A - Mouthpiece and method of making the same for wind instruments : en
  • US1771382A - Lock : en
  • US1771115A - Safety device for meters : en
  • USRE17739E - Sylvania : en
  • US1771273A - Electrical heating device : en
  • US1771061A - Rear-vision mirror : en
  • DE502811C - Device for exciting synchronously rotating machines : de en
  • DE502913C - Process for drying sludge that can be used for agricultural or similar purposes : de en
  • DE503116C - Commuter bars for electrical machines, the commutator bars of which are held together by one or more lateral press rings with the interposition of a special ring-shaped intermediate piece that yields to thermal expansion : de en
  • DE503476C - Bunker discharge : de en
  • FR686470A - Manufacturing process of plastics using cellulose acetates : en fr
  • GB332302A - Improvements in and relating to clutches, couplings and the like : en
  • FR686486A - Plywood metal panel for furniture and other applications and its manufacturing process : en fr
  • AU1940829A - Improvements inthe milling of sugarcane forthe extraction of juice therefrom : en
  • DE502958C - Chopping machine in which the pulling device is attached directly to the chopping frame, which is seated on the rear wheel axle and rotates about this axis : de en
  • DE503626C - Acid toothpaste with colloidal ingredients : de en
  • GB332348A - Improvement in gyratory crushers : en
  • GB332633A - Improvements in sawing machines : en
  • USD81622S - Design for a thermometer : en
  • GB332615A - Improvements in or relating to apparatus for recording on or reproducing from sound films : en
  • FR686488A - Two-stage furnace for glazed ceramic products and others : en fr
  • DK42648C - Aareholder. : da en
  • FR686116A - Training in gear trains : en fr
  • GB332481A - Improvements in or relating to transmission devices for indicating apparatus : en
  • FR686492A - Method and apparatus for the precipitation of cellulose esters, and products thus obtained : en fr
  • GB332403A - Improvements relating to domestic sinks : en
  • US1771192A - Method of machining materials : en
  • US1771278A - Ornamenting device and method of making the same : en
  • FR686377A - Method and device for incineration : en fr
  • GB332393A - Improvements in or relating to furnace fronts : en
  • FR686163A - Coal dust removal plant : en fr
  • GB332301A - Improved control gear for fluid operated mechanism in machine tools : en
  • FR686255A - Device for mounting the moving parts of measuring instruments, and in particular balances : en fr
  • GB332456A - Improvements in and relating to the manufacture of tablets of chocolate or the like : en
  • DE503168C - Holder for walking sticks and umbrellas : de en
  • FR686489A - Process for the preparation of cellulose for the chemical industry and in particular for the preparation of cellulose solutions and compounds : en fr
  • FR686055A - Process for manufacturing cellulosic esters, intended for the preparation of plastics, coatings, films, filaments, etc. : en fr
  • GB332595A - Compositions comprising carbohydrates and acid reacting substances for incorporation with milk : en
  • DE503008C - Chamber coke oven with regenerative heating : de en
  • GB332300A - Improvements in or relating to shaving and like reservoir brushes : en
  • GB332363A - Improvements in or relating to shock absorbers : en
  • GB332554A - Improvements in or relating to work-holding means for shoebeating machines : en
  • US1771249A - Bracelet attachment : en
  • GB332409A - Improvements in and connected with engines for obtaining compressed air and power : en
  • DE503758C - Coffee filter with perforated base and removable sieve plate : de en
  • FR686402A - Process for the manufacture of phosphoric anhydride or acids : en fr
  • FR685999A - Advanced washing machine with independent barrel for tubers, leafy vegetables or others : en fr
  • DE502825C - Stirring device that prevents skin formation and scorching when boiling milk : de en
  • FR686416A - Improvements to valves or taps : en fr
  • FR686293A - Protective device against theft of objects exhibited in shop windows, storefronts or shelves : en fr
  • US1771179A - Slip : en
  • GB332574A - Tire covers : en
  • DE503430C - Form for the production of hollow bodies from gelatine, cellulose or cellulose derivatives : de en
  • DE503791C - Suspension hook for fastening the coil springs that form the seat on motorcycle seats : de en
  • FR686432A - Method and control mechanism for machines for cleaning and opening cotton and forming it into strands : en fr
  • FR686443A - Small image film camera : en fr
  • FR686487A - Process of covering wire or metal fabric with hardening masses of concrete, clay or other binding material to obtain petrified lattice fabric, serving as a plaster support : en fr
  • AU2473530A - Drum for manufacturing endless rubber articles : en
  • CA302254A - Rotary engine or pump : en fr
  • FR686224A - Crossbow shooting game : en fr
  • FR686426A - Improvements in the elimination of impurities contained in sand, clay and other similar materials : en fr
  • FR686450A - Sheave retaining spring for agricultural machinery : en fr
  • FR685997A - Roentgen bulb with two or more incandescent cathodes which can be switched on at will : en fr
  • DE503354C - Process for the production of matt enamels with a rough surface : de en
  • GB332383A - Improvement in or relating to toy and like books, cards or the like : en
  • GB332452A - Improvements in folding boxes : en
  • GB332468A - An improved process for the production of the cyanamides of the alkaline earth metals and magnesium : en
  • US1771256A - Truss : en
  • US1771343A - Production of antiricketic substances : en
  • FR686106A - Circulating oil refrigeration device for electrical appliances with high current, in particular for transformers : en fr
  • FR686218A - Box-shaped toiletry bag : en fr
  • FR686299A - Stud rim for automotive, airplane and cycle wheels : en fr
  • GB332327A - Improvements in and relating to leads for dogs or other animals : en
  • FR686220A - Destructive hydrogenation process for carbonaceous materials : en fr
  • CA302360A - Cathode : en fr
  • DE503164C - Process for the production of carbon dioxide gas : de en
  • DE503348C - Number switch for self-connecting telephones : de en
  • FR686008A - Improvements to reinforced concrete railway sleepers : en fr
  • DE503455C - Front fork pressed from sheet steel for motorcycles : de en
  • DE503740C - Converter for coupling two AC networks of the same or different frequency, consisting of two mechanically coupled induction machines, one or both of which are connected in cascade with a commutator machine each excited by the associated network : de en
  • DE503398C - High frequency equipment for medical purposes : de en
  • DE503719C - Device for testing quick-action closing devices with a flywheel and spring during operation, especially in the case of steam turbines : de en
  • DK42649C - Trigger mechanism for Vending machines. : da en
  • US1770963A - Machine for and process of forming metal into shapes : en
  • US1771114A - Ladle : en
  • FR686435A - Mechanical silencer : en fr
  • GB317757A - Process for obtaining 1.8-cineol (eucalyptol) : en
  • AT118658B - Protective grille device for high-speed letterpress presses. : de en
  • US1771299A - Safety spring : en
  • DE503448C - Exhibition stand : de en
  • DE503364C - Device for cooling dust, in particular lignite dust for briquette plants : de en
  • FR686417A - Device for inflating tires and for simultaneous cleaning of cars, operated by the car engine itself : en fr
  • CA302356A - Moulding mixture : en fr
  • DK42626C - Apparatus for recording and reproducing sound. : da en
  • US1771099A - Machine for centrifugally casting concrete sleepers : en
  • AT118696B - Machine for gluing the wrapping of small goods, parcels, etc. Like. with labels, tax stamps (banderoles), etc. : de en
  • DE503215C - Electric capacitor with covering rims protruding on both sides : de en
  • GB332637A - Improvements in apparatus for extracting fat and other substances from animal carcases, slaughter house refuse, fish, fish waste and the like : en
  • US1771317A - Shingle-bundle wire-binding device : en
  • DE503700C - Box-like steam generator for ovens that can be locked with a lid : de en
  • AT118695B - Cartridge case for firearms. : de en
  • CA302307A - Protection device for gas detecting apparatus : en fr
  • US1771176A - Boot for hot-air stacks : en
  • FR686093A - Newspaper or envelope vending machine : en fr
  • FR686214A - New control of the angle of attack of the propeller blades : en fr
  • GB315394A - Improvements in the manufacture of articles hardened by nitrogenisation : en
  • US1771268A - Heating and cooling of buildings : en
  • US1771081A - Plant for washing coal and other minerals : en
  • GB332506A - Improvements in the manufacture of electric incandescent lamps or the like apparatus with sealed glass envelopes : en
  • DE503635C - Metal chair or stool : de en
  • DE503582C - Shaft signal system : de en
  • US1771026A - Dental floss saw : en
  • US1771283A - Arc lamp : en
  • FR686311A - Dishwashing and sterilizing machine : en fr
  • GB332385A - Improvements relating to the manufacture of safety or unsplinterable glass : en
  • FR686004A - Improvements to the wheels of vehicles traveling on the road and related cleaning devices : en fr
  • FR686043A - High-speed friction saw for the automatic production of parts cut from rods : en fr
  • DE503823C - Track breaking machine provided with a transversely displaceable loading weight : de en
  • US1770925A - Stocking tree : en
  • US1771077A - Method of heating by steam : en
  • USD81646S - Design fob a toy animal : en
  • FR686396A - breeder : en fr
  • GB332489A - Treatment of rubber and products thereof : en
  • GB332500A - Device for fabric stretching and drying machines for introducing the fabric into the holding and stretching parts : en
  • FR686273A - Damping device for vehicle spring suspension systems : en fr
  • GB314310A - An improved system of aerial navigation, utilizing electromagnetic radiation : en
  • US1770921A - Firecracker combination : en
  • US1771156A - Collapsible case : en
  • US1770911A - Relief valve for ford oiling systems : en
  • US1771090A - Sill and body bolster for railway vehicles : en
  • US1771080A - Combination lock : en
  • US1771084A - Firearm arranged on mounting : en
  • US1771224A - Metal section for sheet piling : en
  • DE503039C - Rail fastening for field or mine railways using iron, two-part for the position of use from the spread position in the straight swiveling smoldering : de en
  • DE503469C - Adjustment device for axle bearings : de en
  • DE503524C - Method for generating mechanical vibrations of a body by means of an electromagnet excited by an alternating current source via a current-controlling valve : de en
  • FR686083A - Container with colander : en fr
  • FR686150A - Improvements to friction elements for brakes, clutches and the like : en fr
  • FR686071A - Improvements to processes and apparatus for electroplating deposits on objects such as metal wires : en fr
  • AT118612B - Process for increasing the extensibility of synthetic threads. : de en
  • FR686001A - Folding mechanism for printing machines : en fr
  • DE503341C - Device on packing machines or the like for cigarettes or similar objects : de en
  • DE503775C - Device for generating overpressure or underpressure in gases or liquids : de en
  • GB332410A - Improvements relating to cock pieces for electric or other instruments : en
  • DE503627C - Thickener for hair colors : de en
  • US1771129A - Combined necklace and brooch : en
  • DK42623C - Electric Speed Control System. : da en
  • FR686451A - Apparatus for breaking ice and for keeping it in molds and crushed : en fr
  • FR686250A - Cardboard box : en fr
  • GB332379A - Screw-stud setting machines : en
  • GB332484A - Improvements in or relating to potato-top disintegrating machines : en
  • US1771282A - Checkerwork construction : en
  • US1771300A - Headlight : en
  • GB332482A - Improvements in spark plugs : en
  • US1771222A - Window : en
  • DE501294C - Device for the transmission of sunlight or solar heat : de en
  • US1771309A - Rubber-bumper housing : en
  • GB332350A - Device for variable speed power transmission : en
  • GB316562A - Improvements in and relating to electric furnaces : en
  • FR685970A - Instant tightening and loosening buckle : en fr
  • FR686399A - Improvements to glassmaking machines : en fr
  • FR686237A - Continuous flow dryer : en fr
  • GB332343A - Stabilizer for fuel suspensions and method of making the same : en
  • GB332387A - Improvements in or relating to the ventilation of buildings : en
  • US1771095A - Saddle : en
  • US1771183A - Railway-switch lever lock stand : en
  • US1770900A - Valve : en
  • DE503294C - Flap valve : de en
  • DE503313C - Process for the production of images by photographic means : de en
  • DE503785C - Image throwing device with optical compensation for image migration : de en
  • FR685972A - Method and device for humidifying the air in rooms : en fr
  • FR686088A - Device for refreshing and calibrating, as with a lap, the tires of rail vehicles when they are on the track : en fr
  • FR686357A - Textile tube, transversely reinforced : en fr
  • US1771103A - Pitman : en
  • DE503270C - Unwinding device for upholstery, in particular made of horsehair or seagrass, with clamping pieces arranged on a rotatable flywheel to hold the pigtail : de en
  • US1771280A - Brake-band support : en
  • CA302264A - Tractor : en fr
  • CA302386A - Alkaline accumulator : en fr
  • GB308315A - Improvements in and relating to the manufacture of insulating material : en
  • GB332434A - Improvements in or relating to the valves for tanks : en
  • DE501083C - Process for the preparation of benzanthrone derivatives : de en
  • FR686065A - Advanced device for lifting and delivering measured quantities of oil, alcohol or other liquids : en fr
  • US1770940A - Method of manufacturing chemically-pure aluminum by electrolysis : en
  • DE503049C - Process for the production of a stocking knitted in the shape of a leg : de en
  • FR686054A - Improvements in fuel use processes : en fr
  • FR686283A - Method and mechanism for controlling machines for cleaning, opening cotton and forming it into wicks : en fr
  • US1771379A - Method of coating wire : en
  • GB332430A - : en
  • AU2459630A - Improvements in or relating to mechanical coupling devices : en
  • CA302358A - Rail bond and connector : en fr
  • CA302236A - Machine for producing knitted fabrics : en fr
  • FR686079A - Chain manufacturing process : en fr
  • DE503421C - Massage roller : de en
  • DE502861C - Sliding platform for moving vehicles, in particular motor vehicles, in car sheds : de en
  • US1771007A - Housing for flush-tank discharge pipes : en
  • US1771196A - Railway-traffic-controlling apparatus : en
  • US1770990A - Covered heel and method of making the same : en
  • US1771135A - Remote control plant for extensive power-distributing systems : en
  • USD81669S - Design for a carpet sweeper : en
  • CA302240A - Battery plate filling machine : en fr
  • DE503295C - Shut-off valve : de en
  • DE503482C - Method for annealing a conductor densely wound with magnetic material for inductive loading : de en
  • FR685965A - Device serving as a nut and particularly applicable to hose clamps : en fr
  • GB311248A - Improvements relating to centrifugal machines : en
  • DE503349C - Arrangement for coupling high frequency circuits : de en
  • FR685987A - New tube for toothpaste, petroleum jelly, etc. : en fr
  • GB319022A - A device for automatically cutting off and turning on the fuel supply of a heat engine : en
  • AU2508530B - Improvements in and relating in sporting costumes such as bathing suits and underwear : en
  • DE502837C - Counter ticket printing machine : de en
  • DE503477C - Equipment for changing, cooling and trimming the mandrels on pilgrim step rolling mills : de en
  • FR686002A - Process for preparing ketones : en fr
  • AT118565B - Spring upholstery for seating and reclining furniture. : de en
  • DE503811C - Process for improving the lightfastness of basic colors : de en
  • FR686484A - Portable, self-illuminated stereoscope : en fr
  • GB332406A - Improvements in or relating to weighing apparatus : en
  • GB332476A - Improvements in key-boards for typewriters and like machines : en
  • GB332602A - Improvements in and relating to the preparation of leather cloth and the like : en
  • DE503227C - Mobile molding machine : de en
  • FR686058A - Improvements in optical devices usable for taking and projecting color images in color cinematography, still photography or photomicrography : en fr
  • FR686151A - Friction Gear Shift Improvements : en fr
  • FR686263A - Device for rotary kilns, for the reduction of iron ore without melting : en fr
  • GB332405A - Improvements in centrifugal apparatus for dust extraction : en
  • GB332451A - Improvements in or relating to piezo-electric crystals and apparatus for use therewith : en
  • GB332915A - Improvements in or relating to coin-freed automatic machines : en
  • FR686254A - Accessory for games : en fr
  • GB332391A - Improvements in liquid depth indicating device : en
  • AT118568B - Device built into the handle of a toilet flushing device for atomizing a fragrance or disinfectant. : de en
  • DE502668C - Device for adjusting headlights, in particular automobiles : de en
  • GB332345A - Improvements in sheet feeding mechanism : en
  • GB332557A - Improvements in the manufacture and production of colloidal solutions and pastes : en
  • AU2116529A - Improvements in collapsible tables, beds andthe like : en
  • GB310061A - : en
  • FR686411A - Improvements in the construction processes of metal spoked wheels : en fr
  • US1771305A - Tassel-forming machine : en
  • US1770976A - Machine for forming and re-forming turn shoes : en
  • GB313968A - Production of sound images on films or plates by means of the chromate process : en
  • GB318595A - Process for the manufacture of pink to red dyeing vat dyestuffs : en
  • GB332306A - Improvements relating to the manufacture of brooms or brushes : en
  • FR686049A - Improvements made to liquid dispensing devices of the visible flow type : en fr
  • US1771223A - Air and gas mixing device : en
  • US1771258A - Electrical circuit maker for shoes : en
  • DE503678C - Signaling device for motor vehicles for signaling oncoming vehicles : de en
  • DK42616C - Negative supply device, in particular for threshing machines, with a Negro Binding Cutting Device. : da en
  • FR686166A - Shoe brake particularly applicable to automobile cars : en fr
  • AT118639B - Process for making chocolate. : de en
  • DE502334C - Process for the preparation of water-soluble condensation products from aromatic diazo compounds : de en
  • US1771022A - Vehicle parking device : en
  • US1771034A - Receptacle-sealing device : en
  • AT118627B - Stencil sheet for copying purposes. : de en
  • GB314021A - Improvements in or relating to reciprocating engines : en
  • FR686075A - Fractional regulator : en fr
  • FR686499A - Improvements to door locks for motor vehicles : en fr
  • CA302209A - Method of sizing paper : en fr
  • FR686341A - Process for the production of condensation products of pyrazoleanthronic derivatives : en fr
  • FR686132A - Improvements to sound recorders and reproducers and to media for recording and reproducing such sounds : en fr
  • GB332561A - Improvements in or relating to telephone systems : en
  • FR686447A - Improvements to freewheel clutches with oblique rollers : en fr
  • GB332472A - Improvements in sealing-locks for bags : en
  • DE503630C - Device for processing floors with motor-driven processing rollers arranged parallel to one another in two axes : de en
  • US1770934A - Method of mining coal : en
  • FR36641E - : fr
  • FR685964A - Improvements to lifting devices : en fr
  • GB332084A - Improvements in and connected with boats, such as ships' life boats : en
  • GB332464A - A veterinary remedy : en
  • IS85A7 - Method and tool for repairing textiles and knitting needles : en is
  • AT118579B - Auxiliary control for piston-controlled compressed air tools. : de en
  • AU2119429A - Handkerchief camouflage for breast pockets : en
  • GB332917A - Improvements in the manufacture and production of acetylene from hydrocarbons or mixtures containing the same in the electric arc : en
  • FR686240A - Wiper blade : en fr
  • US1771306A - Flue structure for regenerative stoves : en
  • FR685981A - Improvements to calculating machines : en fr
  • DE503188C - Anode protection in large mercury vapor rectifiers with anodes arranged in a ring around the condensation dome and radial intermediate walls between the rectifier vessel and the condensation dome extended into the same, through which the anode annulus is divided into closed sector-shaped chambers for one anode each, which is shared by all anode chambers Openings for the passage of the arc provided intermediate floor are closed : de en
  • DE502828C - Jet humidifier with air blower : de en
  • US1771145A - Oven : en
  • FR686497A - Improvements to lifting mechanisms for finned spinning benches, twisting, twisting and similar mechanisms : en fr
  • US1771219A - Syringe : en
  • US1771225A - Outlet or junction box : en
  • US1770950A - Printer's galley : en
  • CA302221A - Exhaust muffler : en fr
  • DE502881C - Method and device for leaching cuttings from plants : de en
  • FR686359A - Improvements to image transmitters and similar telegraph devices : en fr
  • FR686382A - Advanced air distributor for shaking machines used for sand casting : en fr
  • GB332527A - Improvements in or relating to the manufacture of artificial yarns, threads, or filaments : en
  • US1770987A - Art of burning finely-divided fuel for the generation of steam : en
  • DE503334C - Washbasin with two basins formed from one piece next to each other, the drainage pipes of which lead into a common waste pipe : de en
  • DE503643C - Parapet pre-cutting device : de en
  • US1770967A - Bollard : en
  • CA302300A - Telephone device : en fr
  • AT118544B - Low current fuse. : de en
  • AT118573B - Shelf. : de en
  • DE503687C - Clamping device for the product to be cut in slicers : de en
  • DE503274C - Device for the immediate reading of true bearing angles for radio direction finding : de en
  • DK42612C - Building kits for Experimentation or Teaching in the Field of Electrophysics. : da en
  • DE503674C - Roll cassette for photographic reproducing apparatus : de en
  • CA302195A - Flow-directing cone for screw propellers : en fr
  • GB310378A - Improvements in and relating to compensating arrangements for electrical induction disc devices : en
  • AU2411829A - Method and apparatus for feeding the glass batch to glass furnace : en
  • US1771236A - Resistance strip : en
  • AU2108329A - Power transmission : en
  • CA302296A - Glow relay tube : en fr
  • DE503249C - Device for paying out coins : de en
  • FR686181A - Electric pendulum with auxiliary movement : en fr
  • US1771117A - Confection stringing or decorating machine : en
  • FR686242A - Lock washer and its manufacturing method : en fr
  • GB332332A - Improvements in or relating to combined articles of furniture and weighing apparatus : en
  • GB332586A - Improvements in and relating to telescopic hinges and hasp fastenings for trunks, suit cases, attache cases and the like : en
  • AT118651B - Insertion device for waste sheets, in particular for duplicating machines. : de en
  • AT118638B - Material for filling potholes or for making road surfaces. : de en
  • DE501689C - Process for increasing the partial pressure of hydrogen when hydrogenating coal and hydrocarbons under high pressure and high temperature : de en
  • DE503815C - Hole punch for loose sheets or the like : de en
  • DK42653C - Barrier device for electrical signal systems. : da en
  • DK42656C - Device at threshing mills with separate grains. : da en
  • US1771293A - Process for the production of pure sulphur from crude impure materials which containsulphur : en
  • US1771127A - Telephone magnet system : en
  • AT118504B - Filter. : de en
  • US1771166A - Process for applying paints or cements to skived articles or the like : en
  • CA302327A - Electron tube circuit : en fr
  • AT118563B - Thread cutting stock. : de en
  • AU2293129A - Improvements relating to waggon hoists : en
  • AT118687B - Wire spoke wheel, in particular for motor vehicles. : de en
  • US1771360A - Electromagnetic apparatus for the transmission of images : en
  • AU2392829A - Process forthe preparation of barium carbide and acetylene : en
  • FR686036A - Improvements to the circulation of cooling water in combustion engines : en fr
  • GB332342A - Tool-holder for pneumatic hammer and locking means therefor : en
  • GB332640A - Improvements in or relating to hub cap distance registers for vehicles : en
  • AT118517B - Arrangement for operation of vehicle engines connected in series. : de en
  • US1771308A - Cigarette-making device : en
  • US1770922A - Mining machine : en
  • US1771130A - Ammonia synthesis process : en
  • US1771295A - Bone-deknuckling machine : en
  • DE503390C - Method for aligning the luminous bodies of electric light bulbs with respect to the lamp bases : de en
  • FR686095A - Distribution for large hydraulic operating machines : en fr
  • US1771277A - Form-fitting boot and method of making same : en
  • USD81619S - Design fob : en
  • CA302190A - Sound reproducing device : en fr
  • CA302237A - Cement size : en fr
  • CA302228A - Saw : en fr
  • FR686259A - Improvements to reproductive instruments and sound transmitters : en fr
  • IE11271L - Weighing scales : en
  • DE503074C - Counting and printing unit for fuel measuring devices : de en
  • DE502886C - Multi-phase commutator machine with a winding housed in the stand and powered by induction from the armature : de en
  • AT118524B - Circuit arrangement for counting connections in telephone systems. : de en
  • CA302222A - Pipe joint : en fr
  • AT118595B - Process for impregnating textile yarns, fabrics and fabrics with synthetic resins. : de en
  • AT118519B - Arrangement for the operational recording of the forehead of jumping and traveling waves. : de en
  • AT118684B - Jacks, in particular for motor vehicles. : de en
  • US1771102A - Elevator door : en
  • US1771287A - Door-straightening tool : en
  • FR686126A - Automatic spinner for vegetable horsehair : en fr
  • USRE17744E - Machine for forming and attaching wire coils k : en
  • DE502934C - Process for the production of composite blocks : de en
  • DE502980C - Machine for crushing coal with needle-like primary crushers and pre-crushers : de en
  • DE503303C - Remote switching device for valves : de en
  • GB317046A - A method of improving cellulose raw material of all kinds : en
  • US1770927A - Tray : en
  • US1771134A - Insulation for pipe fittings : en
  • US1770912A - Relief valve : en
  • US1771331A - Feed-water-supply regulator intended particularly for use with steam boilers : en
  • USD81613S - Design for a spoon or similar article : en
  • US1771082A - Towline device : en
  • US1771198A - Piston ring : en
  • FR686378A - Assembly fittings for connecting furniture parts : en fr
  • US1771353A - Weed puller : en
  • DE503134C - Process for the preparation of N-oxyalkyl derivatives of 4-amino-1-oxybenzene : de en
  • DE503591C - Device on longitudinal seam folding machines for round bending of the jacket sheet and for pressing the folded seam of bushes : de en
  • DE503228C - Glass rolling mill : de en
  • IE11091L - Catalysis. : en
  • DE503016C - Walking stick, hunting stick or the like : de en
  • DE503229C - Process for the production of solid glass bodies by rolling : de en
  • DE503710C - Axially and radially resilient piston ring : de en
  • FR686329A - Holder or suction cup for fixing objects on a flat surface : en fr
  • GB332370A - Improvements in draining trays for crockery and the like : en
  • CA302292A - Insulating material for vacuum electric devices : en fr
  • US1771051A - Bending machine : en
  • AT118655B - Tedder with turning drum. : de en
  • AT118589B - High frequency induction furnace. : de en
  • AT118691B - Control device for the compressed air actuation cylinders of the pantograph brackets on electric traction vehicles. : de en
  • AT118571B - Mechanical hammer. : de en
  • AT118592B - Process for the production of all types of fabrics with metallic color effects. : de en
  • US1771318A - Sound reproducer : en
  • CA302225A - Mouldboard extension : en fr
  • AT118598B - Process for the production of cellulose derivatives and cellulose solutions. : de en
  • CA302288A - Nitroglucoside explosive : en fr
  • DK42627C - Fishing gear. : da en
  • FR686161A - Process for using the hydrogen and heat contained in the methane and produced resulting from this process : en fr
  • GB332366A - Process for gasifying fuels in a molten-ash type gas-producer and for simultaneously treating ores or residues : en
  • AT118656B - Stacking device for rotary printing machines. : de en
  • CA302387A - Shuttleless looms for weaving : en fr
  • AT118675B - Track vehicle with two single-axle bogies. : de en
  • AT118580B - Mortise lock. : de en
  • AT118534B - Device for commutation of direct current in a multi-phase winding. : de en
  • CA302349A - Method and apparatus for forming paper, boxboard, etc. : en fr
  • US1770936A - Recuperator : en
  • CA302325A - Radio signalling apparatus : en fr
  • USD81627S - Jar or similar container : en
  • AT118521B - Procedure for protecting transformers, switches, motors, generators, etc. like : de en
  • AT118556B - Adjustable choke coil. : de en
  • AT118590B - Process for the reduction of zinc-containing material. : de en
  • CA302198A - Fastening device : en fr
  • DE502836C - Winch testing machine : de en
  • GB310488A - Fore-stock for guns, particularly self-loading guns : en
  • GB332623A - Improvements in the manufacture and production of condensation products containing nitrogen : en
  • AT118610B - Process for the production of artificial fibers such as rayon, synthetic wool, staple fiber and the like. like : de en
  • CA302205A - Signal device : en fr
  • CA302315A - Process of preparing heterocyclic bases of the aminoimidazoline series : en fr
  • DE503493C - Wallpaper cutting machine : de en
  • US1771247A - Flush-valve-operating mechanism : en
  • CA302281A - Apparatus for alkaline oxidants : en fr
  • CA302252A - Paper making machine : en fr
  • US1771036A - Drilling machine : en
  • US1771174A - Fireplace grate : en
  • US1771357A - Carburetor : en
  • CA302258A - Circular knitting machine : en fr
  • AT118693B - Flushing and draining device for toilets located on vehicles. : de en
  • US1771330A - Radio current supply device : en
  • FR686148A - Adjustable bearing device : en fr
  • FR686346A - Material with high resistance to wear and impact or percussion : en fr
  • GB332338A - Friction elements and method of making same : en
  • US1771122A - Safety gas valve : en
  • US1771150A - Fibrous composition and method for manufacturing same : en
  • USRE17740E - of niagara fails : en
  • DE503540C - Ball neck bearings : de en
  • US1770905A - Alternating-current motor : en
  • US1771148A - Central energy wave signaling system : en
  • AU2364129A - An improved adjustable spanner : en
  • CA302355A - Transformer : en fr
  • AT118652B - Snowshoe. : de en
  • GB332417A - Improvements in machines for cutting potatoes and other vegetables and fruit in slices and also for chipping potatoes : en
  • AT118501B - Centrifugal governor. : de en
  • US1771285A - Shock loader : en
  • US1771053A - Low-resistance aeroplane : en
  • US1771376A - High-frequency signaling system : en
  • US1771047A - Thread trimmer for sewing machines : en
  • US1771205A - Salvaging equipment : en
  • AT118643B - Insect glue. : de en
  • CA302280A - Pulp stock tonnage regulator : en fr
  • US1770962A - Holder : en
  • AT118509B - One-piece impeller, especially for high-speed centrifugal fans and its method of manufacture. : de en
  • DE503288C - Cooling device for the loading valve for the transfer of fuel gases into the starting tank in internal combustion engines : de en
  • FR686110A - Improvements to chassis and elastic suspensions for cars and trailers : en fr
  • CA302208A - Method of packing inner tubes : en fr
  • DE503449C - Revolving stage with stepwise or continuous motor drive for exhibition purposes : de en
  • DE503804C - Pupin instruction for the simultaneous transmission of telephone and low-frequency telegraph currents : de en
  • FR686138A - Improvements to vacuum tubes particularly used in t.s.f. : en fr
  • FR686186A - Lock to immobilize the window hinges : en fr
  • FR686219A - Support frame for railroad cars : en fr
  • AT118586B - Pressure vessel system for electrolytic processes, especially for the generation of hydrogen and oxygen. : de en
  • DE503059C - A bow made from a single piece of wire and hung over the edge of the pot to hold pot lids : de en
  • US1771079A - Rail-expansion-sound deadener : en
  • US1771142A - Fare indicator : en
  • AT118508B - Rotary piston internal combustion engine with rotating abutment. : de en
  • CA302242A - Ensilage harvester : en fr
  • US1771374A - Pie pan : en
  • AU2117829A - Improvements relating to electropneumatic brakes : en
  • DE503694C - Pressure roller load for two drafting units arranged one behind the other : de en
  • FR686189A - Insulation in metal or textile material : en fr
  • GB305026A - Improvements in or relating to the removal of sulphur compounds from gases : en
  • GB332603A - Improvements in illuminating devices : en
  • US1771125A - Coupling device : en
  • USD81639S - Design for a head for lighting units : en
  • AT118630B - Water jet pump for venting canning jars. : de en
  • US1771276A - Vehicle shock absorber or doorcheck : en
  • US1771291A - Fire box for boilers : en
  • CA302249A - Mechanical loading shovel : en fr
  • AT118527B - Device for quickly extinguishing an arc drawn between interrupting contacts. : de en
  • US1770915A - Clamshell bucket : en
  • US1771272A - Writing appliance for recording apparatus : en
  • USD81649S - Sylvania : en
  • US1770914A - Card holder : en
  • US1771383A - Pendulum : en
  • AT118531B - Carburetor for heavy oil. : de en
  • DE503359C - Burner for kerosene cooker and like : de en
  • US1771220A - Fence post : en
  • US1771050A - Fastening-supplying apparatus : en
  • DE503253C - Spacers in elongated form for insert plates of milk extractors : de en
  • GB332538A - Improvements in and connected with savings boxes : en
  • DE503639C - Portable heater with humidifier : de en
  • FR686162A - Improvements to galvanic elements : en fr
  • FR686203A - Building brick : en fr
  • AT118548B - Transformer, especially measuring converter. : de en
  • FR686053A - Improvements to central heating installations : en fr
  • CA302310A - Process of smelting tungsten ores : en fr
  • FR686279A - Prepaid automatic camera : en fr
  • US1770955A - Hospital table : en
  • DE503329C - Shaft kiln emptying device with endless chains under the lime kiln closed off by a saddle : de en
  • DE503040C - Isolation of roller bearings against the passage of current, especially with roller bearing axles : de en
  • US1771244A - Shade holder for portable electric lamps : en
  • AT118561B - Liquid measuring device with two alternately filling and emptying measuring vessels. : de en
  • FR686455A - Silicon cement and mixtures based on such cement : en fr
  • AT118680B - Cable car with an articulated conveyor cage attached to the moving cable. : de en
  • US1771093A - Submersible vessel : en
  • US1771123A - Insulated container : en
  • AT118699B - Unrecoverable bottle cap. : de en
  • AT118616B - Stencil sheet. : de en
  • US1770971A - Attachment for stranded-wire structures and process of making : en
  • US1770961A - Means for protecting synchronous machinery : en
  • CA302265A - Therapeutic tablet : en fr
  • DE503041C - Device for the pendulum suspension of electrical apparatus, namely rectifiers installed on vehicles : de en
  • DE503062C - Device for preparing the deburring of fish : de en
  • FR686098A - Device for the artificial dilation of the cervix in special cases during childbirth : en fr
  • AT118552B - Electrical apparatus working in an elastic vessel in the absence of air. : de en
  • AT118528B - Connection point for telecommunication apparatus, in particular for railway line operations. : de en
  • USD81664S - Kate rubins : en
  • AT118692B - Rescue mattress. : de en
  • AT118530B - Arrangement for bar selector with flat bank multiple. : de en
  • CA302384A - Shipping box : en fr
  • FR685980A - Improvements in processes and apparatus for the manufacture of artificial filaments or threads : en fr
  • GB332408A - Improvements in revolving signs : en
  • AT118667B - Feeding device for grinding devices for grinding pasty masses under pressure. : de en
  • FR686164A - Improvements to feeders in the form of hoppers for textile materials : en fr
  • GB332466A - Process of producing faucets : en
  • US1771006A - Conveyer apparatus : en
  • USD81635S - Design for a cosmetic box : en
  • US1771286A - Checkerwork : en
  • US1771311A - High-speed reciprocating mechanism : en
  • US1771344A - High-splice attachment for circular-knitting machines : en
  • USD81625S - Design fob a lamp base : en
  • CA302339A - Open bottom ventilated paper tray : en fr
  • DE503679C - Switch with automatic downshift for electromagnetic direction indicators : de en
  • FR686222A - Method of fixing the depolarizing agent on the conductive rod of charcoals filled with salt for electric batteries : en fr
  • GB332324A - Improvements in or relating to portable wireless receiving apparatus : en
  • DE503733C - OE compensation vessel for cable fittings : de en
  • DE503374C - Link for shunting systems : de en
  • GB332486A - Improvements relating to tubular metallic shafts for golf clubs and their manufacture : en
  • AT118606B - Process for the refinement of vegetable fibers. : de en
  • AU2113329A - Improvements in gaseous tube electrodes : en
  • DE503686C - Slicer with a swinging arm that carries the circular knife : de en
  • US1771209A - Incinerator : en
  • US1771338A - Auto signal switch : en
  • DE502569C - Process for the production of azine dyes for dyeing cotton and regenerated cellulose : de en
  • DE503114C - Circuit arrangement for telephone systems with dialer operation and information plazas : de en
  • DE503511C - Electromagnetic relay : de en
  • FR36634E - Loudspeaker enhancements : en fr
  • DE503187C - Runner for single or multi-phase AC motors with pronounced poles and n sheet metal runners : de en
  • GB332429A - Means for promoting screw propeller efficiency : en
  • CA302345A - Process of making magnesium hydrate tablets : en fr
  • GB332507A - Improvements in or relating to instruments for indicating the direction of a magnetic field : en
  • GB332351A - Improvements in or relating to adjustable book rests : en
  • GB332540A - Improvements in revolving cylinder internal-combustion engines : en
  • FR686490A - Automatic boring machine : en fr
  • GB332411A - Improvements in the manufacture of gramophone and the like needles : en
  • DE503698C - Panel van for drying, distillation and roasting ovens : de en
  • DE503258C - Device to prevent the pulling and tearing off of the springs of engines, especially for toys, gramophones and the like. like : de en
  • US1771226A - Electrical condenser : en
  • GB332305A - Improvements relating to brush-making machinery : en
  • GB332491A - Improvements in and relating to drying kilns : en
  • FR686479A - Apparatus for completely gasifying gasoline and homogenizing the mixture in internal combustion engines : en fr
  • GB332577A - A process for treating materials : en
  • DE503701C - Process for the electrolytic production of ammonia and compounds containing ammonia : de en
  • IE11675L - Luminous discharge tubes : en
  • GB332493A - Improvements in or relating to steering sights for vehicles : en
  • DE503541C - Conical clamping sleeve for fastening machine parts on axles, shafts or the like. : de en
  • FR686017A - Process for treating artificial silk threads with a view to creping, without sizing or other purpose : en fr
  • GB332548A - Improvements in means for heating by surface contact : en
  • GB332377A - Garment racks for wardrobes : en
  • DE502808C - Plug device for electrical devices, especially for radio network connection receivers : de en
  • CA302364A - Photographic copying apparatus : en fr
  • FR686159A - Improvements to printing machines : en fr
  • FR686324A - Process for the destruction of parasites living on agricultural plants : en fr
  • FR686028A - Friction damper adjustable in intensity, direction and length : en fr
  • FR686368A - Distillation process : en fr
  • CA302344A - Harmonic device for stringed instruments : en fr
  • GB332336A - Improvements in the working up of distillable carbonaceous liquids containing substances of high molecular weight : en
  • GB332891A - Improvements in the manufacture and production of insulated cables : en
  • FR685979A - Improvements in the treatment of filaments, yarns or threads : en fr
  • GB332537A - Improvements in and relating to rubberised material : en
  • DE502921C - Device for automatic regulation and display of broadcasts for wireless broadcasting stations : de en
  • DE487337C - Method for covering wagons, e.g. B. Railway wagons : de en
  • GB332311A - Improved pin for colliery tram shackle or coupling : en
  • GB332524A - Improvements relating to the manufacture of grinding wheels, hones and the like : en
  • GB313963A - Process of producing light hydrocarbons by destructive hydrogenation of carbonaceous materials : en
  • FR686184A - Dike construction and restoration system : en fr
  • FR686350A - Circuit breaker improvements : en fr
  • GB332446A - Improvements in swimming suits : en
  • GB332613A - A balanced arm for carrying an electric pick-up for gramophones and the like : en
  • GB332396A - A new or improved means for supplying water at pressure particularly applicable for washing motor vehicles : en
  • FR686067A - Vacuum device for automatic or semi-automatic starting of internal combustion engines : en fr
  • FR686302A - Metal wire tensioner : en fr
  • FR686068A - Circular rotating conch with uniform internal heat distribution : en fr
  • FR686462A - Improvements to processes and installations for the industrial execution of highly endothermic reactions : en fr
  • GB314969A - Improvements in or relating to internal combustion engines for use in propelling boats and the like : en
  • GB332318A - Process and means for determining differences in brightness : en
  • DE503264C - A gearbox consisting of a headstock and a disc with curved strips : de en
  • FR686428A - Improvements in the printing of fabrics made by means of esters or cellulose ethers or containing such esters or ethers : en fr
  • FR686024A - Improvement in processes for obtaining plant albumins : en fr
  • FR686140A - Automatic film lottery device : en fr
  • FR686271A - New manufacturing process for reinforced glass or ice : en fr
  • DE503402C - Electrode for electrical resistance welding and soldering : de en
  • DK42632C - Multi-cylinder pump or motor with reciprocating pistons and rocker plate. : da en
  • GB332581A - : en
  • US1771208A - Skiving machine : en
  • FR686405A - Starter device for internal combustion engines : en fr
  • GB332368A - Improvements in engine pistons : en
  • DK42647C - Seat, especially for Automobiles and the like. : da en
  • FR686060A - Manufacturing process for plastics, films, artificial textiles, etc. : en fr
  • GB332349A - Improvements in magnetic compasses : en
  • US1770918A - Recording switch mechanism : en
  • US1771014A - Shutter-equipped gridle : en
  • DE496616C - Manufacture of polishing discs from continuously woven helical tape : de en
  • GB332354A - Improvements in or relating to golf clubs : en
  • CA302352A - Loop drier : en fr
  • US1771041A - Door mounting : en
  • US1771154A - Hook tape : en
  • US1771195A - Throttle : en
  • US1771153A - Process of purifying gases : en
  • US1771162A - Wardrobe trunk : en
  • US1771233A - Nail expansion : en
  • US1771032A - Drying oven unit : en
  • DE503093C - Classification device, consisting of a revolving sieve through which the air stream loaded with material to be classified is passed : de en
  • DE503115C - Automatic voltage reduction switch for three-phase current with a voltage reduction coil that actuates the three-pole main switch : de en
  • DE503232C - Roller cooling oven for glass plates : de en
  • DE503611C - Electric light tubes : de en
  • DE503624C - Process for the production of good adhesive, non-drying and non-irritating rubber adhesive plasters : de en
  • DE503340C - Output and packing device for printing presses : de en
  • FR686291A - Carburetor : en fr
  • FR686316A - Vulcanization process for isocolloid organic substances containing high molecular weight organic acids or their derivatives : en fr
  • DE503604C - Encapsulated auto switch : de en
  • DK42642C - Form for Shaping Hats. : da en
  • GB306125A - Manufacture of cellulose ethers : en
  • GB315666A - : en
  • US1770913A - Liquid-fuel-supply control means for burners : en
  • US1771068A - Draft regulator for furnaces : en
  • US1771240A - Thrashing machine : en
  • US1771303A - Combined cooking and heating stove : en
  • US1770997A - Stewpan cover : en
  • US1771329A - Electric switch : en
  • FR686031A - New device for torch cutting : en fr
  • DE502211C - Device for rotating the headlights of vehicles, in particular motor vehicles : de en
  • DK42635C - Procedure for the manufacture of feedingstuffs. : da en
  • US1771359A - Reaper thrasher and like harvesting machine : en
  • DE503578C - Ironing saw : de en
  • FR686420A - Advanced elastic coupling device : en fr
  • FR686453A - Advanced shutter for photography : en fr
  • GB332328A - Improvements relating to upright pianos : en
  • DE503453C - Device for cinematographs to adjust the tension of the film on both sides of the projection guide : de en
  • FR686052A - Improvements to devices for supporting and using blocks of paper sheets : en fr
  • FR686327A - Improvements to closure devices for containers to be made inviolable : en fr
  • AT118522B - Device for feeding the contactors in AC systems with direct current. : de en
  • US1770973A - Sheet counting and delivering mechanism for presses and the like : en
  • DE503726C - Lockable, remote-controlled barrier at railway crossings : de en
  • GB332382A - Device for regulating the amount of flow or rate of feed of powdered, granular, or lump material in conjunction with crushing or pulverizing mills and the like : en
  • DE502685C - Device for the secret transmission of telephone calls by means of an endless telegraph line : de en
  • DE503512C - Electric relay : de en
  • DE503045C - Shift drum starter in which contact fingers are controlled by cams on the shift drum : de en
  • AT118657B - Machine for cutting tobacco and similar materials. : de en
  • AT118671B - Propeller. : de en
  • AT118538B - Device for reducing the amount of steam in front of the anodes of mercury vapor rectifiers. : de en
  • AT118622B - Process for the production of green vegetable pulp and its preservation. : de en
  • FR686142A - Method of recording sounds on cinematographic films : en fr
  • AT118554B - Electric motor, especially for sewing machines or the like. : de en
  • FR686015A - Light signal with lights automatically changing, for rear of motor vehicles of all types : en fr
  • US1770996A - Toy repeating pistol : en
  • FR686267A - Improvements to radial thrust bearings : en fr
  • FR686425A - Improvements to the assembly of glass plates in frames or frames : en fr
  • DE503361C - Warp tip made of wire for pit lining : de en
  • FR686180A - Synchronous motor with automatic start for controlling pendulums and the like : en fr
  • GB332571A - Improvements in the production of hydrogen : en
  • DE503373C - Electrical device for direct measurement of defects in railway tracks with a moving measuring vehicle : de en
  • FR686483A - Improvements to switching devices for automatic and semi-automatic telephones : en fr
  • FR686094A - Glare-free headlight for vehicles : en fr
  • DE503326C - Ring, zigzag, chamber ring furnace or the like heated with coal dust. : de en
  • DK42637C - Shaking elevator for Stoves, especially Central heating stoves. : da en
  • DE503301C - Shut-off device for caustic fluids : de en
  • FR686157A - Device for unloading, by means of insulated collection containers, of tilting vehicles used for the transport of pourable goods : en fr
  • FR686437A - Cartridge box having a phonograph record as a cover and serving, after being emptied, as a record box : en fr
  • FR686274A - Process of transferring impressions to surfaces of metal, wood, cardboard, fabrics, leather and others : en fr
  • DE503284C - Box, especially for speaking machine needles : de en
  • DK42613C - Garden plow. : da en
  • FR686280A - Process for carrying out catalytic reactions : en fr
  • FR686277A - Automatic switching device for wireless telegraphy receiving stations supplied on the network : en fr
  • FR686371A - Mechanical assembly intended to load the screening residues or other materials onto wagons, and then to unload the wagons thus filled : en fr
  • GB332504A - Improvements in or relating to the manufacture of bismuth hydroxide : en
  • FR686034A - Improvements to electrical insulators : en fr
  • FR686064A - Clutch refinements : en fr
  • DE503841C - Elastic bandages, pads, plasters or the like. : de en
  • DK42646C - Tipping device for cargo loads on trucks. : da en
  • DE502795C - Production of liquid carbonic acid : de en
  • DE503160C - Set up on electrometers : de en
  • FR686469A - Process for manufacturing articles of organic fibrous materials, the pores of which are completely filled with high-melting point pitch : en fr
  • DE503139C - Casting device for flat stereotype plates : de en
  • FR686200A - Improvements to sandblasting machines : en fr
  • FR686040A - Process and apparatus for the preparation, by heating of methane, of hydrocarbons which are richer in carbon : en fr
  • FR686278A - Oscillation damper : en fr
  • DE503561C - Footwear : de en
  • DE503331C - Fuel feeder for brick ovens with a continuously driven turntable : de en
  • FR686048A - Latin cross ending a rosary : en fr
  • FR686188A - Process for manufacturing vat dyes : en fr
  • GB332341A - Improvements in or relating to the cutting and embossing of sheet material : en
  • DE503566C - Electromagnetically driven unrest : de en
  • DE503369C - Device and method for hardening the head of railroad tracks hanging upside down by means of a pincer-like jig : de en
  • AT118681B - Attachment for the seat springs of saddle and pillion seats. : de en
  • DE503716C - Process for the production of methyl chloride : de en
  • GB332295A - Improvements in or relating to the shaping of heels : en
  • DE503507C - Railway superstructure using iron sleepers with pressings on the sleeper ceiling that run parallel to the longitudinal axis of the rails, as well as clamping plates and hook bolts : de en
  • DE503210C - Device for scanning television images : de en
  • DE503257C - Device for the optional use of heavy and light fuels in mixture-compressing internal combustion engines : de en
  • DE503401C - Clamping device working with a liquid or gaseous pressure medium, in particular for electrical welding machines : de en
  • US1771089A - Hans jordan : en
  • US1770960A - Plumbing service clamp : en
  • US1771257A - Aeroplane : en
  • AT118529B - Stranding element for electrical line cables. : de en
  • AT118537B - Squirrel cage motor with built-on back gear for almost no load to start the motor. : de en
  • US1770906A - Wbench : en
  • AT118611B - Paints, fillers, etc. like : de en
  • FR686358A - Improvements to network powered radio receivers : en fr
  • FR686498A - Method and device for making the speed of an electric motor constant : en fr
  • CA302348A - Electrical oil and gas indicator : en fr
  • DE503797C - Waste rinsing device : de en
  • GB310425A - : en
  • CA302220A - Process and apparatus for storing eggs : en fr
  • GB332551A - Improvements in or relating to stratified bodies, such as strengthened glass : en
  • AT118607B - Process for the production of real colored etchings. : de en
  • AU2445930B - Improvements in process for the production of thymol and menthone : en
  • US1771367A - Flexible insulating material : en
  • US1771016A - Packing crate : en
  • USD81651S - Island : en
  • AT118543B - Inductive fine regulator. : de en
  • AU2407929A - Improvements in or relating to glass shaping machines : en
  • CA302282A - Fertilizer : en fr
  • DK42657C - Stand for Exhibition of Goods. : da en
  • US1771313A - popovich : en
  • US1771152A - Combined headrest and container : en
  • US1771025A - Agricultural implement : en
  • AU2227529A - Improvements relating to trapshooting installations : en
  • DE503268C - Advertising column with a section that can be rotated in sections, which turns on alternate letters or parts of the transparent advertising : de en
  • DE503207C - Sheet depositing device : de en
  • DE503440C - Interrupter for magneto-electric ignition machines : de en
  • FR685984A - Sliding sleeve for pipes : en fr
  • FR686011A - Prepaid telephone system : en fr
  • US1770946A - Key for collapsible folding tubes : en
  • US1771033A - Furfural resin composition and process of making same : en
  • US1770916A - Fruit grading and polishing apparatus : en
  • US1770984A - Apparatus and process for distilling carbonaceous materials : en
  • US1771270A - Line tapper : en
  • CA302276A - Oil dispenser and merchandiser : en fr
  • US1771141A - Process and apparatus for drying material : en
  • FR686154A - Process for the preparation of colloidal iodine in solid or jelly form : en fr
  • GB332499A - Improvements in or relating to electric switchgear : en
  • GB332583A - Improvements in and relating to the separation of dry materials : en
  • GB332594A - Improvements in or relating to electrically insulating materials : en
  • US1771381A - Radiospeaker : en
  • FR686136A - Tie holder : en fr
  • FR686256A - Stabilizer for road vehicles : en fr
  • DE502256C - Arrangement in which high-frequency vibrations are superimposed on these, for example for the automatic monitoring of high-voltage networks : de en
  • US1771388A - Coating apparatus : en
  • US1770931A - Milk-can-washing machine : en
  • US1771251A - Combination rear-view-mirror set for automobiles : en
  • DE503362C - Flexible connection of the frame parts during pit construction with profile iron : de en
  • DE503697C - Drying chamber with floor heating by fire gases : de en
  • CA302233A - Gate : en fr
  • FR686078A - Non purely radial turbo-machine blade : en fr
  • DE503525C - Method and device for inserting a winding into adjacent tubes, especially for current transformers : de en
  • FR686407A - Powder box : en fr
  • AT118666B - Device for pulling up limp hanging organs, e.g. B. Lighting off-center cable. : de en
  • CA302382A - Rail grinding machine : en fr
  • US1771067A - Method of making water gas : en
  • US1771030A - Concrete-brick-molding device : en
  • CA302261A - Process of transferring prints to surfaces : en fr
  • DE503675C - Device for slide projection with cinema lamp spotlights : de en
  • DE503753C - Device for optional parallel and series connection of centrifugal compressors or blowers : de en
  • FR685958A - Device for maintaining the shape of packets of cigarettes or other similar soft cases : en fr
  • GB332364A - Improvements in or relating to shock absorbers : en
  • DE503807C - Process for the manufacture of chrome anodes : de en
  • FR686418A - Automatic arc lamp charcoal concealment device : en fr
  • GB332619A - Improvements in or relating to continuous kilns : en
  • FR686322A - Process for preparing granular activated carbon : en fr
  • GB332313A - Improvements in or relating to boot or shoe sewing machines : en
  • GB332542A - Improvements in or relating to apparatus for degasifying liquids : en
  • US1771091A - Electrolytic cell : en
  • US1771097A - Automatic gauge : en
  • US1771385A - Process and apparatus for vacuum distillation : en
  • US1770924A - Mining machine : en
  • GB332380A - Improvements in or relating to apparatus employed for printing photographs : en
  • US1771111A - Sound box of gramophones and like sound-reproducing machines : en
  • US1771235A - Safety razor : en
  • FR686221A - Rational harrow : en fr
  • FR686438A - Improvements to the walls of air-cooled and water-cooled fireplaces : en fr
  • GB305027A - Process for the removal of organic sulphur compounds from gases : en
  • CA302283A - Low density dynamite : en fr
  • AU2120029A - Power brake for motor vehicles : en
  • US1770898A - Automatic liquid meter : en
  • DE503260C - Process for the manufacture of self-aligning and self-lubricating bearings : de en
  • AT118697B - Downward burning incandescent lamp for liquid fuels. : de en
  • DE503143C - Lining machine connected to a ply folding machine : de en
  • AT118620B - Process for the production of solid, long-life milk and cream preparations. : de en
  • FR685974A - Improvements in the construction of chains, belts, belts or the like for covering vehicle wheels : en fr
  • US1771063A - Awning-operating mechanism : en
  • DE503648C - Method and device for regenerating waste rubber by heating with an alkali solution of medium concentration : de en
  • GB332334A - Improvements in wall decorating devices : en
  • US1770998A - Coke oven : en
  • AT118502B - Silencer. : de en
  • CA302256A - Aeroplane drift gauge : en fr
  • FR686390A - Motor vehicle fire safety device : en fr
  • GB315788A - Improvements in or relating to circular knitting machines : en
  • FR686456A - Removable packaging : en fr
  • CA302275A - Water tube boiler and furnace : en fr
  • US1770966A - Reed for wind musical instruments : en
  • US1771346A - Oiling system for chain drives : en
  • FR685993A - Differential : en fr
  • DE502232C - Purge air or supercharger for reversible diesel engines : de en
  • DE503152C - Circuit arrangement for telephone systems with extensions : de en
  • GB308358A - Improved method of matting a cellulose ester film for photographic purposes : en
  • FR686000A - Bottle washing machine : en fr
  • DE503223C - Hot water bottle cap : de en
  • FR686029A - Method and devices for restoring air to pneumatic liquid level indicators : en fr
  • DE503714C - Toothbrush : de en
  • GB332555A - Improvements in or relating to packaging means for use in winding or spinning operations : en
  • DE503192C - Braking device moved by the negative pressure of an internal combustion engine, in particular for motor vehicles : de en
  • GB332413A - Shaving cup and support : en
  • FR686069A - Improvements made to clutches used to transmit rotational movement : en fr
  • FR686485A - Box for cotton wool or bandage in large strips : en fr
  • DE503193C - Footwear with metatarsal support : de en
  • FR686394A - Bottle rinsing machine : en fr
  • GB319021A - Process for dyeing and printing by means of vat-dyestuffs : en
  • GB332331A - Improvements in flooring, walls, partitions and other parts of structures : en
  • GB332592A - Improvements in or relating to combined voltage regulators and circuit controllers for dynamo electric machines : en
  • GB332374A - Improvements in, or relating to, sliding-sash windows : en
  • GB332572A - Improvements in the control of wireless apparatus : en
  • GB332569A - Improvements in the method of and apparatus for recovering oil and grease : en
  • FR686245A - Perforated holder for embroidery designs : en fr
  • FR686343A - Toroidal electric winding : en fr
  • GB332376A - Improvements in safety devices for perambulators and the like : en
  • GB332309A - Improvements in signalling or control devices : en
  • US1771037A - Control device for the fuel-supply pumps of injection-type internalcombustion engines : en
  • US1771213A - Apparatus for making plate glass : en
  • GB332344A - Improvements in and relating to alternating current inductionmotors : en
  • GB332443A - Fountain pen stand : en
  • GB332511A - Improvements in machines for opening sheet-metal bundles : en
  • DE503397C - Switchable shunt for high frequency measuring devices in electro-medical devices : de en
  • DE503456C - Can : de en
  • FR686372A - Centrifuge drum for purifying liquids : en fr
  • FR686023A - Product for the treatment of steels and methods of use of this product : en fr
  • FR686397A - Electrode device for testicular diathermic therapy : en fr
  • FR686303A - Constant pressure steam generator : en fr
  • DE503465C - Closure flap for garbage truck : de en
  • GB332398A - Improvements in and relating to the accommodation of gunners and weapons in rapidly moving vehicles : en
  • AT118569B - Dividing device for metal grinding and cutting machines. : de en
  • US1770895A - Method of building tires and product : en
  • AT118515B - Ring seal device on single or multi-stage centrifugal pumps. : de en
  • US1771264A - Collapsible display stand : en
  • AU2055529A - Improvements in wheel remover tools : en
  • GB315362A - Improvements in television apparatus : en
  • IE11167L - Liquid flow regulation : en
  • US1771203A - Automobile parking device : en
  • DE503558C - Device for dressing grinding wheels of various diameters with one dressing tool : de en
  • CA302200A - Pump : en fr
  • DE502890C - Circuit for achieving synchronization of two-motor gripper drives that are driven by three-phase asynchronous motors and are unequally loaded : de en
  • DE503273C - Carbon dioxide hand pipe for fire extinguishing purposes : de en
  • DE503073C - Method for the investigation of high vacuum vessels u. Like. On tightness : de en
  • DE503506C - Oil return to refrigeration machines : de en
  • DE503748C - Tap generator with agitator for the gasification of bituminous fuels, especially hard coal or lignite : de en
  • AT118617B - Sulfuric acid contact method. : de en
  • AT118682B - Jack. : de en
  • US1771040A - Flexible automatic transmission : en
  • US1771190A - Primary cell : en
  • US1771327A - Holder for inlays, tooth crowns, and the like : en
  • AT118582B - Device for soldering the longitudinal seams of cans and. Like. By means of a soldering iron connected to the secondary winding of a transformer. : de en
  • DE503528C - Device for treating the human body or body parts with radiant heat and air : de en
  • CA302388A - Autogenous welding of magnesium and its alloys : en fr
  • CA302390A - Receptacle for electric plugs : en fr
  • DE503458C - Locking device for a spring-loaded scissor lever rod on sliding windows : de en
  • DE503416C - Pushing comb for knitting machines, especially for circular knitting machines : de en
  • GB317856A - : en
  • AT118513B - Cooling device for oil, in particular for portable internal combustion engines. : de en
  • CA302197A - Process of preparing alumina : en fr
  • GB332943A - Improvements in fasteners for the bonnets of motor vehicles applicable also to other hinged closures : en
  • US1771294A - Bread board and knife holder : en
  • US1771011A - Wheel brake mechanism : en
  • US1771119A - Form : en
  • US1770975A - Storage battery : en
  • DE502997C - Grinding device for the rotating circular disc knives of cutting machines : de en
  • FR686444A - electrodes for vacuum tubes : en fr
  • IE11209L - Production of ketones. : en
  • US1771279A - Mercury-arc rectifier : en
  • US1771315A - Liquid vaporizer : en
  • US1771348A - Brake for machinery, vehicles, and the like : en
  • DE503403C - Process for the preparation of Kuepen dyes of the pyrazole anthrone series : de en
  • DE503460C - Rubber tread : de en
  • US1771160A - Recuperator : en
  • CA302247A - Evaporator : en fr
  • CA302214A - Rope holding clip : en fr
  • US1771147A - Vanity case : en
  • DK42630C - Speed change mechanism. : da en
  • FR685978A - Improvements in the manufacture or treatment of artificial threads or filaments : en fr
  • US1771350A - Process of refining hydrocarbon oils : en
  • CA302324A - High power support and cooling system : en fr
  • CA302199A - Air engine : en fr
  • CA302335A - Sectional tank : en fr
  • GB332530A - : en
  • AT118557B - High voltage transformer. : de en
  • DE503184C - Lightning protection device for high antennas with several safety elements : de en
  • CA302194A - Necktie : en fr
  • DE502870C - Fighting game in which two players suddenly move two bodies against each other in order to bring down an upper part of the opponent's body : de en
  • DE503438C - Multi-cylinder standing internal combustion engine : de en
  • FR686223A - Ink ribbon advancement mechanism for address printing machines and the like : en fr
  • GB332435A - Improvements in steering dampers for cycles or motor cycles : en
  • IE11031L - Welding. : en
  • DE503673C - Process for rendering combustible materials non-flammable : de en
  • FR686241A - Method and device for obtaining durable false selvages in fabrics : en fr
  • FR686269A - Improvements in means for the study of vibrations : en fr
  • DE503446C - Airtight closure for vacuum jars : de en
  • DK42634C - Synthetic leather with imitation natural grain and procedure for its manufacture. : da en
  • GB312089A - Evaporating method and means therefor : en
  • AT118640B - Method for protecting wool, fur and the like Like. Against moth damage. : de en
  • AT118602B - Method and device for evaporation and distillation. : de en
  • CA8842S - Personal weighing machine : en
  • FR686112A - Method and scale for automatically determining the proportion of entrained material in a mixture of materials : en fr
  • DE502570C - Process for the preparation of acidic wool dyes : de en
  • US1771098A - Thermostat indicator : en
  • GB332400A - Improvements in rocking toys propelled by the rider : en
  • USD81629S - Tube co : en
  • AT118550B - Extinguishing device. : de en
  • FR686431A - Tire improvements : en fr
  • GB313617A - Manufacture of aminoalcohols : en
  • GB332485A - Curved splinterless glass and method of making same : en
  • DE502809C - Process for compensating geometrical and magnetic asymmetries of the anchor iron of electrical machines for the purpose of suppressing the fundamental wave : de en
  • DE503069C - Brake control device : de en
  • FR686231A - Pendulum retainer for movable air grilles under the grate : en fr
  • GB332358A - Improvements in or relating to clips for securing a pipe or tube of compressible material upon a member inserted therein : en
  • GB332442A - Improvements relating to electric welding machines : en
  • DE503195C - Process for the production of cement goods with a polish-like glossy, translucent surface : de en
  • GB332911A - Improvements in the manufacture and production of derivatives of quinoline : en
  • DE503254C - Dry feeder for poultry with a foldable approach board : de en
  • FR686356A - Installation to take, develop, fix and deliver completely finished, cinematic views : en fr
  • GB332460A - Improvements relating to picking-motions for looms for weaving : en
  • GB332399A - Improvements in or relating to envelope addressing devices : en
  • GB332303A - Improvements in insulated electric conductors : en
  • GB332330A - Improvements in driving gear for cable ploughing engines : en
  • DE503142C - Rotary stencil printer with a stencil drum : de en
  • DE503392C - Threaded basket subdivided into a metal threaded sleeve and insulating thread ring for contact protection mounts : de en
  • USD81670S - Island : en
  • US1771307A - Manufacture of aromatic arsenic compounds containing an isoxazine ring : en
  • US1771227A - Wheel rim : en
  • CA302359A - Electrical discharge device : en fr
  • DE503103C - Coupling device for brick cutters, elevators, etc. like : de en
  • FR686025A - Improvements to cinematographic cameras intended to increase exposure time relative to film travel time : en fr
  • GB311730A - Process of treating vegetable or animal oils obtained by extraction by solvents : en
  • DE503574C - Adjustable heating resistance : de en
  • AT118660B - Smoking goods, such as cigars, cigarettes or the like. : de en
  • FR686102A - Rotary loom for the production of fabrics of all kinds in the form of tubes : en fr
  • DE503548C - Device on organ pipes to change the tone strength : de en
  • DE503703C - Firing for inferior, difficult to ignite fuels with an inclined grate upstream of the mechanically moved grate : de en
  • US1771139A - Method of making substantially anhydrous finely-divided synthetic resins : en
  • US1771363A - Drop-base rim with fillers : en
  • US1770919A - Numbering machine : en
  • US1771004A - Form-fitting boot : en
  • DE502794C - Process for obtaining soot-free and completely combustible coal : de en
  • GB332516A - Improvements in carburettors for internal combustion engines : en
  • IE10852L - Games : en
  • FR686367A - Multicylindrical turbine : en fr
  • CA302308A - Brazing rod : en fr
  • FR685983A - Improvements in sugar making : en fr
  • FR686152A - Improvements to rail vehicles : en fr
  • GB332321A - Improvements in clay targets and propelling means therefor : en
  • CA302263A - Can cover feeding mechanism : en fr
  • DE503689C - Disc pickups on slicers : de en
  • FR686146A - Process for ridding water of chlorine or hypochlorites it contains : en fr
  • US1770930A - Oven lining : en
  • US1771333A - joret : en
  • US1770902A - Flash light : en
  • US1771341A - Printed pile fabric : en
  • DE503781C - Process for the production of paper from straw-like raw materials according to patent 413318 for the purpose of simultaneously obtaining a product that can be used in particular as animal feed : de en
  • US1771023A - Turbine blade and method of producing same : en
  • US1771200A - Traffic air compressor : en
  • US1771177A - Bathing cap : en
  • CA302377A - Combined heating and cooling apparatus : en fr
  • DK42652C - Device for supporting adjustable knee pads on motorcycles and the like. : da en
  • US1771164A - Blade-wiping razor : en
  • DE503640C - Liquid heater with a water jacket surrounding the boiler room : de en
  • DE503777C - scissors : de en
  • AU2172529A - Removable bookcover : en
  • DE503486C - Trigger device for single and continuous fire on automatic firearms : de en
  • DE503650C - Link belt : de en
  • DE503676C - Protective cover for replacement bulbs of headlights : de en
  • DE503682C - Slicer : de en
  • GB332397A - Improvements in and relating to voltage testing devices : en
  • DE503202C - Manufacture of chemically pure phosphoric acid : de en
  • GB332292A - Means for heating & filtering the air supplied to internal combustion engines : en
  • DE502205C - Insect glue : de en
  • DE503205C - Process for the preparation of condensation products of the anthraquinone series : de en
  • FR686408A - Hoof and galoshes improvements : en fr
  • GB332362A - Improvements in or relating to pressure release devices : en
  • AT118601B - Process for the processing of alloys or residues containing antimony and copper. : de en
  • CA302285A - Triazo-nitrate explosive : en fr
  • CA302367A - Coated metallic-arc weldrod : en fr
  • USD81665S - Morris salinger : en
  • US1770982A - Center bearing : en
  • FR685963A - Phonophotographic tape : en fr
  • FR686021A - Process for the preparation of a complex paraphenylenediamine sulfocyanate : en fr
  • FR686328A - Improvements to phonograph records and their manufacturing processes : en fr
  • DE503503C - Device for precise positioning of the sheets on the positioning marks of the positioning table in sheet-fed printing machines with rotating cylinders : de en
  • FR686086A - Improvements made to sleeves for coils of submarine cables for great depths : en fr
  • DE503151C - Circuit arrangement for telephone extension systems in series connection : de en
  • DE503212C - Device for increasing the terminal voltage of transformers or induction motors when the load increases : de en
  • DE503337C - Machine for working the surface (cutting) of rock : de en
  • GB332353A - Improvements in or relating to the manufacture of artificial filaments or fibres : en
  • US1770899A - Valve-spring lifter : en
  • US1771049A - Locking socket : en
  • FR686495A - Remote control and monitoring device : en fr
  • GB311814A - Improvement in and relating to printing machines : en
  • GB332475A - Improvements relating to tubular filters for air and gases : en
  • DE503213C - Device for regulating the idle drive for induction counters : de en
  • DE503271C - Locking device on fire protection cassettes for projectors : de en
  • FR686206A - New construction process for cement walls that are rigorously tight against liquids and gases : en fr
  • FR686345A - Manufacturing process for high porosity materials : en fr
  • GB315868A - Improvements in apparatus for effecting contact between gases and divided solids : en
  • DE503483C - Socket with device to prevent the flashover of interruption arcs on current-carrying parts of other polarity : de en
  • DE503518C - Bracing of overhead lines by means of fixed rollers attached to the guy and corner masts : de en
  • DE503658C - Control device on hydraulically driven rotary valves : de en
  • DE503708C - Mixing and beating machine with swiveling and rotating mounted whisk shaft : de en
  • AT118615B - Process for the production of carbon black. : de en
  • IE11065L - Rubber articles : en
  • FR686108A - Lock nut device : en fr
  • GB332605A - Improvements in the manufacture and production of vinyl ethers : en
  • FR686038A - Installation to remotely control and monitor the operation of devices from a command station : en fr
  • US1771345A - Aiming telescope constructed as alpha breech sight : en
  • DK42628C - Impregnation Pipe and Distributor for Use in Soil Sterilization. : da en
  • USRE17745E - Sack-loading system : en
  • US1771059A - Traveling block : en
  • FR686446A - Process for the preparation of butadiene and its homologues : en fr
  • FR686463A - Automatic gear change device : en fr
  • GB308267A - Improved manufacture of artificial silk : en
  • DE503276C - Storage device for the support axis of a roller shutter drum : de en
  • DE502927C - Process for the preparation of thiazine dyes : de en
  • DE503315C - Fluid transmission, especially for motor vehicles : de en
  • DE503544C - Ball valve : de en
  • DE503773C - Device for preventing pressure surges in pipelines : de en
  • DE502826C - Device for the noise-reducing introduction of steam into liquid, especially for coffee machines : de en
  • FR686127A - Anti-blinding device for headlights of automobiles and other vehicles : en fr
  • FR36585E - Process for the production of anhydrous metal chlorides : en fr
  • FR686442A - Oil discoloration process : en fr
  • GB332297A - Improvements in or relating to self-propelled vehicles : en
  • US1770995A - Process for manufacture of chloride of potassium and carbonates of sodium and potassium : en
  • DE503637C - Daybed : de en
  • DE503645C - Process for preserving rubber milk : de en
  • FR686175A - Pressure controller : en fr
  • GB332299A - Device for testing constructional material by means of oscillations of flexure of test-pieces : en
  • GB332308A - Improvements in and relating to variable electrostatic condensers : en
  • DE503656C - Flush valve : de en
  • DE503467C - Rubbish bin with a lid that can be opened using a footstep : de en
  • US1771172A - Wrench : en
  • USD81673S - Design for a hat support for a hall tree or similar article : en
  • FR686183A - Drawing pin : en fr
  • DE502871C - Shaft furnace made of several coaxially arranged shafts for firing plaster of paris : de en
  • FR686398A - Powder compact : en fr
  • GB332346A - Improvements in or relating to air rifles : en
  • DE503379C - Telegraph transmitter with punched strips that enable or block the passage of the rays of a light or other radiation source, and with a radiation-sensitive receiver to convert the rays into electrical impulses to be passed on : de en
  • FR686475A - Aluminum based alloy : en fr
  • GB332314A - Improvements relating to electrical liquid level indicating instruments : en
  • US1771073A - Casement-window adjuster and latch : en
  • FR686288A - Vacuum machine designed more specifically to obtain a vacuum in electric lamps : en fr
  • GB332422A - Improvements in or relating to variable speed gears : en
  • DE503198C - Device for heating plate bolts : de en
  • US1771013A - Street-indicating device : en
  • GB332386A - Improvements in weighing devices or balances : en
  • DE503107C - Installation on underfloor water posts : de en
  • DE503636C - Swivel chair : de en
  • DK42651C - Pneumatic Wheel or Ring. : da en
  • USD81621S - Design for a curtain bod ob : en
  • DE503367C - Method for fastening stud bolts in the walls to be anchored by welding : de en
  • DE503745C - Electric incandescent lamp, the massive glass wall of which is different in strength to influence the beam path : de en
  • FR36575E - Method and apparatus for the condensation by cooling of vapors contained in air and gases : en fr
  • US1771002A - Bulb holder for flash lights : en
  • DE502810C - Subdivided conductor of rectangular cross-section, consisting of interwoven flat partial conductors of rectangular cross-section, which run alternately in two planes perpendicular to the flat side, especially for electrical machines : de en
  • DE503162C - Hand welding machine for electric arc welding : de en
  • FR685953A - Brush system and brush holder for parquet floor polishers or other similar applications : en fr
  • FR686312A - Improvements to vacuum cleaning devices : en fr
  • DE503751C - Stranded wire or sheathed wire with a metallic core and a sheath wrapped in a binding agent : de en
  • FR686091A - Process for washing and fulling fabrics : en fr
  • US1771238A - Pneumatic hammer : en
  • DE502931C - Pattern device for manual flat knitting machines with two pattern plates that can be moved on the rear needle bed plate : de en
  • DE503080C - Two-stroke internal combustion engine with piston-controlled flushing slots : de en
  • DK42633C - Movement mechanism for sliding windows. : da en
  • DE503727C - Device for influencing the train and the route : de en
  • FR686482A - Noise compensator for low current electrical devices : en fr
  • GB332587A - Improvements in and relating to telescopic hinges for trunks, suit cases, attache cases and the like : en
  • GB332601A - Improvements in and relating to air filters : en
  • FR686294A - Assembly clip : en fr
  • FR686354A - Automatic gear shifting for automobiles : en fr
  • DE503360C - Pillar restoration mighty floeze : de en
  • GB332447A - Machine for moulding and shaping rolls : en
  • DE503741C - Device for reversing multi-phase induction motors fed from a single-phase network, the stator winding of which consists of two or three winding parts, of which the ends of two winding parts are connected to one another via a capacitor : de en
  • GB332367A - Improvements in joint for structural steel columns and girders : en
  • US1771364A - Liquid and gas contact apparatus : en
  • USD81638S - Design for a boll or similar article : en
  • FR686014A - Jet breaker system : en fr
  • FR686139A - Process for denaturing alcohol : en fr
  • GB332505A - Improvements in expanding pulleys : en
  • GB332907A - Improvements in and relating to the production of intermediates for vat dyestuffs : en
  • DE501979C - Method and device for determining the recording positions and directions of series of images recorded from aircraft : de en
  • FR685995A - Wetting, impregnating, foaming, and dispersing agent : en fr
  • GB332428A - Improvements in concrete-mixing machines : en
  • FR686111A - Rotary machine for drilling wells and similar works : en fr
  • DE503330C - Shaft furnace emptying device : de en
  • GB310009A - Improvements in and relating to spinning boxes for use in the manufacture of artificial silk and the like material : en
  • DE503576C - Device for the production of metal pipes by centrifugal casting : de en
  • GB332510A - Improvements in automatic couplings for railway vehicles : en
  • GB332553A - Improvements in trunks, suit cases and the like : en
  • DE503601C - Plug for electrical connections : de en
  • GB332459A - Improvements in or relating to the manufacture of match box trays and the like : en
  • FR685959A - Manufacturing process of a phosphate fertilizer : en fr
  • DE503454C - Gear change transmission for motor vehicles : de en
  • FR686077A - Wheel hub for automobiles : en fr
  • GB310431A - Improvements in and relating to devices for feeding rolls of foils in printing and embossing presses : en
  • DE502567C - Circulation cooling device for electrical machines with back coolers attached directly to the side of the machine housing, with cooling pipes preferably arranged horizontally : de en
  • DE503661C - Squeegee mill, the movable roller of which is mounted in a straight line : de en
  • FR686403A - Improvements to printing and other cylinders and to the means for securing sheets thereto : en fr
  • FR686131A - Radio-pneumatic device for the treatment of all infectious diseases : en fr
  • GB310055A - : en
  • GB332426A - Improvements in automatic control mechanism for liquid supply and/or drain valves : en
  • DE503543C - Automatic straight-way valve : de en
  • GB332636A - Improvements in or relating to golf bags : en
  • US1771319A - Vehicle bumper : en
  • AT118588B - Magnetic iron-nickel alloys. : de en
  • CA302229A - By-pass valve for fluid circulating systems : en fr
  • CA302340A - Method of forming rims for wire wheels : en fr
  • US1771368A - Apparatus for making turbine blades : en
  • AU2109829A - Improved apparatus for pressing glass articles : en
  • AT118626B - Device for splitting hydrocarbons. : de en
  • DE503336C - Treatment plant for waste water : de en
  • US1770974A - Storage battery : en
  • USD81648S - Poration : en
  • GB316299A - Improvements in or relating to absorption refrigerating machines : en
  • DE503058C - A heating cabinet built into a central heating system : de en
  • US1770926A - Draft regulator for automobile radiators : en
  • FR686230A - Method and apparatus for determining the direction of a sound source : en fr
  • US1771001A - Shock absorber for motor vehicles : en
  • USD81632S - Design for an envelope for greeting cards : en
  • USD81637S - Design for : en
  • FR686109A - Improvements made to clichés for addressing machine or other similar machine : en fr
  • GB332624A - Improvements in or relating to the colouring of textile materials : en
  • USD81612S - Design por a clock frame or article op analogous nature : en
  • US1771215A - Railway-traffic-controlling apparatus : en
  • FR686090A - Device intended for the automatic display of articles offered for sale, in particular clothing : en fr
  • DE503135C - Process for the preparation of asymmetric arylalkylhydrazines : de en
  • FR686074A - Tractor improvements : en fr
  • DE503787C - Device for fixing and watering photos : de en
  • US1770985A - Apparatus for continuously sheathing cores of material : en
  • FR685967A - Improvements to injection pumps for carburetors : en fr
  • FR686020A - Improvements to the slips and forms used in accounting : en fr
  • FR686481A - Articulated assembly for the parts constituting the bed boards : en fr
  • FR686314A - Control device for type wheels or counter mechanism wheels of calculating machines or tabulating apparatus with punched cards : en fr
  • GB332392A - Improvements relating to take-up motions of looms for weaving : en
  • DE503410C - Process for regulating the temperature when heating regenerative chambers for heating a gas-vapor mixture for the continuous generation of water gas : de en
  • DE503653C - Queen barriers for beehives : de en
  • DE503720C - Heat machine system with steam generator, turbine and condenser : de en
  • DE503481C - Procedure for laying long track frames : de en
  • DE502906C - Separation of hydrogen-containing gas mixtures through partial liquefaction : de en
  • DE503035C - Lid with impact ring for pot glow ovens : de en
  • DE503043C - Sheathed conductor of great strength for alternating current : de en
  • DE503387C - Single phase commutator motor : de en
  • FR686153A - Reservoir pen holder : en fr
  • DE503849C - Coin checker for self-sellers : de en
  • FR686128A - Reinforced concrete columns with interior ceramic hollow body : en fr
  • FR686209A - Throttle valve for internal combustion engines : en fr
  • GB332294A - A building brick for facing work : en
  • DE502778C - Device for the automatic emptying of any number of letter boxes : de en
  • FR685985A - Sliding sleeve with removable jacket for pipes : en fr
  • FR686400A - Further training in box trades : en fr
  • AU2116329A - Improvements in and relating to windmills : en
  • CA302323A - Electron tube apparatus : en fr
  • DE503090C - Milling machine for cutting grooves with radial side surfaces in flat or conical disks : de en
  • GB332478A - Improvements in containers for electric condensers : en
  • GB332638A - Improvements in and connected with insecticides and fungicides : en
  • IE10688L - Inflator adapters : en
  • CA302314A - Artificial rubber : en fr
  • FR686427A - Improvements to wick reducers applicable to textile wick stretching mechanisms : en fr
  • GB332307A - Improvements in or relating to lathes for cutting-off bar-stock : en
  • AT118572B - Gas knife with wobble bell. : de en
  • CA302277A - Brake mechanism for automotive vehicles : en fr
  • FR686173A - Lapping device : en fr
  • AU2459030B - Improvements in internal combustion engine devices for carburettor air supply : en
  • GB315408A - Improvements in tap changing systems for electric transformers : en
  • AU2384929A - Improvements in and relating to carburetors : en
  • DE503201C - Recovery of nitric acid from waste water containing it : de en
  • DE503906C - Socket wrench for safety screws on wet gas meters : de en
  • GB332325A - Improvements in or relating to coreless electrical induction furnaces : en
  • CA302230A - Insulating tape : en fr
  • AT118614B - Process for the preparation of red-orange to brown-red coloring basic dyes. : de en
  • US1771310A - Automobile locking mechanism : en
  • DE503655C - Silencers for internal combustion engines, steam engines or the like, in which the gases flow through tubes of decreasing diameter one after the other : de en
  • DK42644C - Device for Transforming a reciprocating motion into a rotating and vice versa. : da en
  • US1771260A - Paper-corrugating machine : en
  • AU2109229A - An improved portable clip and adjustable clamp usable to carry an automobile trouble lamp : en
  • CA302316A - Condensation product from aliphatic aldehydes and bases of the naphthalene series : en fr
  • US1771292A - Device for producing and dispensing lather : en
  • AT118583B - Holder for clothes or flowers for attachment to trees or the like. : de en
  • CA302274A - Grinding machine : en fr
  • DE502043C - Process for the preparation of anthraquinone and its offshoots : de en
  • DE503104C - Folding device for closing bags : de en
  • FR686066A - Shoe tree : en fr
  • GB332404A - Improvements in automatic stops or brakes for gramophones or the like : en
  • FR686276A - New greaseproof paper : en fr
  • DE503133C - Process for the production of nitrogen-containing condensation products from acetylene and ammonia : de en
  • DE503738C - Device for setting the extinguishing devices for two or more lines running side by side : de en
  • DE503800C - Device for generating ozone : de en
  • US1770994A - Feeding molten glass : en
  • DE503096C - Optical projection apparatus for light and other rays : de en
  • GB332355A - An improved construction of collecting tray for use with rotary duplicators : en
  • GB332591A - Process for preparing asphalt emulsions : en
  • DE503391C - Incandescent lamp holder with protection against accidental contact : de en
  • GB332549A - Improvements in and relating to means for pressing talking machine records : en
  • US1771020A - Traveling-tray oven : en
  • US1771043A - Valve member : en
  • US1771046A - Bathing suit : en
  • US1771126A - Display stand : en
  • FR685977A - Improvements in the treatment of cellulose derivatives : en fr
  • DE503137C - Steam power plant with heat storage and engine : de en
  • DE503347C - Acetylene bicycle lantern : de en
  • DE503472C - Drop point for trough conveyor : de en
  • FR686133A - Device for automatically braking towed vehicles with four wheels : en fr
  • FR686272A - Progressive die-casting system : en fr
  • GB332444A - Improvements in or relating to cooking stoves : en
  • DE503641C - Securing the longitudinal wires of wire fences to T-bars : de en
  • GB332360A - Improvements in or relating to shock absorbers : en
  • FR686047A - Spring retainer : en fr
  • FR686147A - Improvements in the production of condensation products : en fr
  • FR686187A - Manufacturing process for new derivatives of the acridone group : en fr
  • FR686096A - Clamping and closing device for strapping made of iron strips : en fr
  • FR686366A - Bakery oven : en fr
  • GB332495A - : en
  • FR686297A - Hydraulic motor : en fr
  • FR686289A - Intaglio plate for offset lithographic printing and its manufacturing process : en fr
  • US1771060A - Industrial truck : en
  • US1771339A - Portable tension indicator : en
  • FR686197A - Sealing and pouring lid for milk boxes : en fr
  • DE503368C - Procedure for the detection of scale inside boiler tubes : de en
  • US1771243A - Mechanical toy : en
  • US1771171A - Blade-sharpening device : en
  • DE503196C - Process for the production of wrought iron pipe connectors : de en
  • DE503568C - Device for continuous leaching : de en
  • GB332439A - Improvements in and relating to multiple float speed boats : en
  • FR686325A - Improvement in strappy shoes : en fr
  • FR685989A - Rod or tube joint device : en fr
  • GB332578A - : en
  • FR686464A - Connection arrangement between hearing devices and optical devices for aircraft search and tracking : en fr
  • DE502883C - Process for the production of ferricyanide acid : de en
  • DE503560C - Electric lock with two-part latch : de en